diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6638dfe7..e56c8a60 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [v2.1.0](https://github.com/fastly/fastly-php/releases/tag/release/v2.1.0) (2023-05-17)
+
+**Enhancements:**
+
+- feat(config_store): add Config Store endpoints.
+
 ## [v2.0.0](https://github.com/fastly/fastly-php/releases/tag/release/v2.0.0) (2023-05-16)
 
 **Breaking changes:**
diff --git a/README.md b/README.md
index d81d337d..0acb7de6 100644
--- a/README.md
+++ b/README.md
@@ -123,6 +123,20 @@ Class | Method | Description
 [*ConditionApi*](docs/Api/ConditionApi.md) | [**getCondition**](docs/Api/ConditionApi.md#getcondition) | Describe a condition
 [*ConditionApi*](docs/Api/ConditionApi.md) | [**listConditions**](docs/Api/ConditionApi.md#listconditions) | List conditions
 [*ConditionApi*](docs/Api/ConditionApi.md) | [**updateCondition**](docs/Api/ConditionApi.md#updatecondition) | Update a condition
+[*ConfigStoreApi*](docs/Api/ConfigStoreApi.md) | [**createConfigStore**](docs/Api/ConfigStoreApi.md#createconfigstore) | Create a config store
+[*ConfigStoreApi*](docs/Api/ConfigStoreApi.md) | [**deleteConfigStore**](docs/Api/ConfigStoreApi.md#deleteconfigstore) | Delete a config store
+[*ConfigStoreApi*](docs/Api/ConfigStoreApi.md) | [**getConfigStore**](docs/Api/ConfigStoreApi.md#getconfigstore) | Describe a config store
+[*ConfigStoreApi*](docs/Api/ConfigStoreApi.md) | [**getConfigStoreInfo**](docs/Api/ConfigStoreApi.md#getconfigstoreinfo) | Get config store metadata
+[*ConfigStoreApi*](docs/Api/ConfigStoreApi.md) | [**listConfigStoreServices**](docs/Api/ConfigStoreApi.md#listconfigstoreservices) | List linked services
+[*ConfigStoreApi*](docs/Api/ConfigStoreApi.md) | [**listConfigStores**](docs/Api/ConfigStoreApi.md#listconfigstores) | List config stores
+[*ConfigStoreApi*](docs/Api/ConfigStoreApi.md) | [**updateConfigStore**](docs/Api/ConfigStoreApi.md#updateconfigstore) | Update a config store
+[*ConfigStoreItemApi*](docs/Api/ConfigStoreItemApi.md) | [**bulkUpdateConfigStoreItem**](docs/Api/ConfigStoreItemApi.md#bulkupdateconfigstoreitem) | Update multiple entries in a config store
+[*ConfigStoreItemApi*](docs/Api/ConfigStoreItemApi.md) | [**createConfigStoreItem**](docs/Api/ConfigStoreItemApi.md#createconfigstoreitem) | Create an entry in a config store
+[*ConfigStoreItemApi*](docs/Api/ConfigStoreItemApi.md) | [**deleteConfigStoreItem**](docs/Api/ConfigStoreItemApi.md#deleteconfigstoreitem) | Delete an item from a config store
+[*ConfigStoreItemApi*](docs/Api/ConfigStoreItemApi.md) | [**getConfigStoreItem**](docs/Api/ConfigStoreItemApi.md#getconfigstoreitem) | Get an item from a config store
+[*ConfigStoreItemApi*](docs/Api/ConfigStoreItemApi.md) | [**listConfigStoreItems**](docs/Api/ConfigStoreItemApi.md#listconfigstoreitems) | List items in a config store
+[*ConfigStoreItemApi*](docs/Api/ConfigStoreItemApi.md) | [**updateConfigStoreItem**](docs/Api/ConfigStoreItemApi.md#updateconfigstoreitem) | Update an entry in a config store
+[*ConfigStoreItemApi*](docs/Api/ConfigStoreItemApi.md) | [**upsertConfigStoreItem**](docs/Api/ConfigStoreItemApi.md#upsertconfigstoreitem) | Insert or update an entry in a config store
 [*ContactApi*](docs/Api/ContactApi.md) | [**deleteContact**](docs/Api/ContactApi.md#deletecontact) | Delete a contact
 [*ContactApi*](docs/Api/ContactApi.md) | [**listContacts**](docs/Api/ContactApi.md#listcontacts) | List contacts
 [*ContentApi*](docs/Api/ContentApi.md) | [**contentCheck**](docs/Api/ContentApi.md#contentcheck) | Check status of content in each POP's cache
@@ -517,13 +531,6 @@ The fastly-php API client currently does not support the following endpoints:
 - [`/metrics/domains/services/{service_id}`](https://developer.fastly.com/reference/api/metrics-stats/domain-inspector/historical) (GET)
 - [`/metrics/origins/services/{service_id}`](https://developer.fastly.com/reference/api/metrics-stats/origin-inspector/historical) (GET)
 - [`/rate-limiters/{rate_limiter_id}`](https://developer.fastly.com/reference/api/vcl-services/rate-limiter) (PUT)
-- [`/resources/stores/config/{config_store_id}/info`](https://developer.fastly.com/reference/api/services/resources/config-store) (GET)
-- [`/resources/stores/config/{config_store_id}/item/{config_store_item_key}`](https://developer.fastly.com/reference/api/services/resources/config-store-item) (DELETE, GET, PATCH, PUT)
-- [`/resources/stores/config/{config_store_id}/item`](https://developer.fastly.com/reference/api/services/resources/config-store-item) (POST)
-- [`/resources/stores/config/{config_store_id}/items`](https://developer.fastly.com/reference/api/services/resources/config-store-item) (GET, PATCH)
-- [`/resources/stores/config/{config_store_id}/services`](https://developer.fastly.com/reference/api/services/resources/config-store) (GET)
-- [`/resources/stores/config/{config_store_id}`](https://developer.fastly.com/reference/api/services/resources/config-store) (DELETE, GET, PUT)
-- [`/resources/stores/config`](https://developer.fastly.com/reference/api/services/resources/config-store) (GET, POST)
 - [`/resources/stores/secret/client-key`](https://developer.fastly.com/reference/api/services/resources/secret-store) (POST)
 - [`/resources/stores/secret/signing-key`](https://developer.fastly.com/reference/api/services/resources/secret-store) (GET)
 - [`/resources/stores/secret/{store_id}/secrets/{secret_name}`](https://developer.fastly.com/reference/api/services/resources/secret) (DELETE, GET)
diff --git a/docs/Api/ConfigStoreApi.md b/docs/Api/ConfigStoreApi.md
new file mode 100644
index 00000000..9a6ce4e7
--- /dev/null
+++ b/docs/Api/ConfigStoreApi.md
@@ -0,0 +1,261 @@
+# Fastly\Api\ConfigStoreApi
+
+
+```php
+$apiInstance = new Fastly\Api\ConfigStoreApi(
+    // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
+    // This is optional, `GuzzleHttp\Client` will be used as default.
+    new GuzzleHttp\Client(),
+    $config
+);
+```
+
+## Methods
+
+Method | Fastly API endpoint | Description
+------------- | ------------- | -------------
+[**createConfigStore()**](ConfigStoreApi.md#createConfigStore) | **POST** /resources/stores/config | Create a config store
+[**deleteConfigStore()**](ConfigStoreApi.md#deleteConfigStore) | **DELETE** /resources/stores/config/{config_store_id} | Delete a config store
+[**getConfigStore()**](ConfigStoreApi.md#getConfigStore) | **GET** /resources/stores/config/{config_store_id} | Describe a config store
+[**getConfigStoreInfo()**](ConfigStoreApi.md#getConfigStoreInfo) | **GET** /resources/stores/config/{config_store_id}/info | Get config store metadata
+[**listConfigStoreServices()**](ConfigStoreApi.md#listConfigStoreServices) | **GET** /resources/stores/config/{config_store_id}/services | List linked services
+[**listConfigStores()**](ConfigStoreApi.md#listConfigStores) | **GET** /resources/stores/config | List config stores
+[**updateConfigStore()**](ConfigStoreApi.md#updateConfigStore) | **PUT** /resources/stores/config/{config_store_id} | Update a config store
+
+
+## `createConfigStore()`
+
+```php
+createConfigStore($options): \Fastly\Model\ConfigStoreResponse // Create a config store
+```
+
+Create a config store.
+
+### Example
+```php
+    $options['name'] = 'name_example'; // string | The name of the config store.
+
+try {
+    $result = $apiInstance->createConfigStore($options);
+} catch (Exception $e) {
+    echo 'Exception when calling ConfigStoreApi->createConfigStore: ', $e->getMessage(), PHP_EOL;
+}
+```
+
+### Options
+
+Note: the input parameter is an associative array with the keys listed below.
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**name** | **string** | The name of the config store. | [optional]
+
+### Return type
+
+[**\Fastly\Model\ConfigStoreResponse**](../Model/ConfigStoreResponse.md)
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to README]](../../README.md)
+
+## `deleteConfigStore()`
+
+```php
+deleteConfigStore($options): \Fastly\Model\InlineResponse200 // Delete a config store
+```
+
+Delete a config store.
+
+### Example
+```php
+    $options['config_store_id'] = 'config_store_id_example'; // string | An alphanumeric string identifying the config store.
+
+try {
+    $result = $apiInstance->deleteConfigStore($options);
+} catch (Exception $e) {
+    echo 'Exception when calling ConfigStoreApi->deleteConfigStore: ', $e->getMessage(), PHP_EOL;
+}
+```
+
+### Options
+
+Note: the input parameter is an associative array with the keys listed below.
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**config_store_id** | **string** | An alphanumeric string identifying the config store. |
+
+### Return type
+
+[**\Fastly\Model\InlineResponse200**](../Model/InlineResponse200.md)
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to README]](../../README.md)
+
+## `getConfigStore()`
+
+```php
+getConfigStore($options): \Fastly\Model\ConfigStoreResponse // Describe a config store
+```
+
+Describe a config store by its identifier.
+
+### Example
+```php
+    $options['config_store_id'] = 'config_store_id_example'; // string | An alphanumeric string identifying the config store.
+
+try {
+    $result = $apiInstance->getConfigStore($options);
+} catch (Exception $e) {
+    echo 'Exception when calling ConfigStoreApi->getConfigStore: ', $e->getMessage(), PHP_EOL;
+}
+```
+
+### Options
+
+Note: the input parameter is an associative array with the keys listed below.
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**config_store_id** | **string** | An alphanumeric string identifying the config store. |
+
+### Return type
+
+[**\Fastly\Model\ConfigStoreResponse**](../Model/ConfigStoreResponse.md)
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to README]](../../README.md)
+
+## `getConfigStoreInfo()`
+
+```php
+getConfigStoreInfo($options): \Fastly\Model\ConfigStoreInfoResponse // Get config store metadata
+```
+
+Retrieve metadata for a single config store.
+
+### Example
+```php
+    $options['config_store_id'] = 'config_store_id_example'; // string | An alphanumeric string identifying the config store.
+
+try {
+    $result = $apiInstance->getConfigStoreInfo($options);
+} catch (Exception $e) {
+    echo 'Exception when calling ConfigStoreApi->getConfigStoreInfo: ', $e->getMessage(), PHP_EOL;
+}
+```
+
+### Options
+
+Note: the input parameter is an associative array with the keys listed below.
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**config_store_id** | **string** | An alphanumeric string identifying the config store. |
+
+### Return type
+
+[**\Fastly\Model\ConfigStoreInfoResponse**](../Model/ConfigStoreInfoResponse.md)
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to README]](../../README.md)
+
+## `listConfigStoreServices()`
+
+```php
+listConfigStoreServices($options): object // List linked services
+```
+
+List services linked to a config store
+
+### Example
+```php
+    $options['config_store_id'] = 'config_store_id_example'; // string | An alphanumeric string identifying the config store.
+
+try {
+    $result = $apiInstance->listConfigStoreServices($options);
+} catch (Exception $e) {
+    echo 'Exception when calling ConfigStoreApi->listConfigStoreServices: ', $e->getMessage(), PHP_EOL;
+}
+```
+
+### Options
+
+Note: the input parameter is an associative array with the keys listed below.
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**config_store_id** | **string** | An alphanumeric string identifying the config store. |
+
+### Return type
+
+**object**
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to README]](../../README.md)
+
+## `listConfigStores()`
+
+```php
+listConfigStores($options): \Fastly\Model\ConfigStoreResponse[] // List config stores
+```
+
+List config stores.
+
+### Example
+```php
+    
+try {
+    $result = $apiInstance->listConfigStores($options);
+} catch (Exception $e) {
+    echo 'Exception when calling ConfigStoreApi->listConfigStores: ', $e->getMessage(), PHP_EOL;
+}
+```
+
+### Options
+
+Note: the input parameter is an associative array with the keys listed below.
+
+This endpoint does not need any parameters.
+
+### Return type
+
+[**\Fastly\Model\ConfigStoreResponse[]**](../Model/ConfigStoreResponse.md)
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to README]](../../README.md)
+
+## `updateConfigStore()`
+
+```php
+updateConfigStore($options): \Fastly\Model\ConfigStoreResponse // Update a config store
+```
+
+Update a config store.
+
+### Example
+```php
+    $options['config_store_id'] = 'config_store_id_example'; // string | An alphanumeric string identifying the config store.
+$options['name'] = 'name_example'; // string | The name of the config store.
+
+try {
+    $result = $apiInstance->updateConfigStore($options);
+} catch (Exception $e) {
+    echo 'Exception when calling ConfigStoreApi->updateConfigStore: ', $e->getMessage(), PHP_EOL;
+}
+```
+
+### Options
+
+Note: the input parameter is an associative array with the keys listed below.
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**config_store_id** | **string** | An alphanumeric string identifying the config store. |
+**name** | **string** | The name of the config store. | [optional]
+
+### Return type
+
+[**\Fastly\Model\ConfigStoreResponse**](../Model/ConfigStoreResponse.md)
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to README]](../../README.md)
diff --git a/docs/Api/ConfigStoreItemApi.md b/docs/Api/ConfigStoreItemApi.md
new file mode 100644
index 00000000..9e79284d
--- /dev/null
+++ b/docs/Api/ConfigStoreItemApi.md
@@ -0,0 +1,284 @@
+# Fastly\Api\ConfigStoreItemApi
+
+
+```php
+$apiInstance = new Fastly\Api\ConfigStoreItemApi(
+    // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
+    // This is optional, `GuzzleHttp\Client` will be used as default.
+    new GuzzleHttp\Client(),
+    $config
+);
+```
+
+## Methods
+
+Method | Fastly API endpoint | Description
+------------- | ------------- | -------------
+[**bulkUpdateConfigStoreItem()**](ConfigStoreItemApi.md#bulkUpdateConfigStoreItem) | **PATCH** /resources/stores/config/{config_store_id}/items | Update multiple entries in a config store
+[**createConfigStoreItem()**](ConfigStoreItemApi.md#createConfigStoreItem) | **POST** /resources/stores/config/{config_store_id}/item | Create an entry in a config store
+[**deleteConfigStoreItem()**](ConfigStoreItemApi.md#deleteConfigStoreItem) | **DELETE** /resources/stores/config/{config_store_id}/item/{config_store_item_key} | Delete an item from a config store
+[**getConfigStoreItem()**](ConfigStoreItemApi.md#getConfigStoreItem) | **GET** /resources/stores/config/{config_store_id}/item/{config_store_item_key} | Get an item from a config store
+[**listConfigStoreItems()**](ConfigStoreItemApi.md#listConfigStoreItems) | **GET** /resources/stores/config/{config_store_id}/items | List items in a config store
+[**updateConfigStoreItem()**](ConfigStoreItemApi.md#updateConfigStoreItem) | **PATCH** /resources/stores/config/{config_store_id}/item/{config_store_item_key} | Update an entry in a config store
+[**upsertConfigStoreItem()**](ConfigStoreItemApi.md#upsertConfigStoreItem) | **PUT** /resources/stores/config/{config_store_id}/item/{config_store_item_key} | Insert or update an entry in a config store
+
+
+## `bulkUpdateConfigStoreItem()`
+
+```php
+bulkUpdateConfigStoreItem($options): \Fastly\Model\InlineResponse200 // Update multiple entries in a config store
+```
+
+Add multiple key-value pairs to an individual config store, specified by ID.
+
+### Example
+```php
+    $options['config_store_id'] = 'config_store_id_example'; // string | An alphanumeric string identifying the config store.
+$options['bulk_update_config_store_list_request'] = {"items":[{"op":"create","item_key":"test-key","item_value":"new-value"},{"op":"update","item_key":"test-key-2","item_value":"new-value-2"},{"op":"upsert","item_key":"test-key-3","item_value":"new-value-3"},{"op":"delete","item_key":"test-key-4"}]}; // \Fastly\Model\BulkUpdateConfigStoreListRequest
+
+try {
+    $result = $apiInstance->bulkUpdateConfigStoreItem($options);
+} catch (Exception $e) {
+    echo 'Exception when calling ConfigStoreItemApi->bulkUpdateConfigStoreItem: ', $e->getMessage(), PHP_EOL;
+}
+```
+
+### Options
+
+Note: the input parameter is an associative array with the keys listed below.
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**config_store_id** | **string** | An alphanumeric string identifying the config store. |
+**bulk_update_config_store_list_request** | [**\Fastly\Model\BulkUpdateConfigStoreListRequest**](../Model/BulkUpdateConfigStoreListRequest.md) |  | [optional]
+
+### Return type
+
+[**\Fastly\Model\InlineResponse200**](../Model/InlineResponse200.md)
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to README]](../../README.md)
+
+## `createConfigStoreItem()`
+
+```php
+createConfigStoreItem($options): \Fastly\Model\ConfigStoreItemResponse // Create an entry in a config store
+```
+
+Add a single key-value pair to an individual config store, specified by ID.
+
+### Example
+```php
+    $options['config_store_id'] = 'config_store_id_example'; // string | An alphanumeric string identifying the config store.
+$options['item_key'] = 'item_key_example'; // string | Item key, maximum 256 characters.
+$options['item_value'] = 'item_value_example'; // string | Item value, maximum 8000 characters.
+
+try {
+    $result = $apiInstance->createConfigStoreItem($options);
+} catch (Exception $e) {
+    echo 'Exception when calling ConfigStoreItemApi->createConfigStoreItem: ', $e->getMessage(), PHP_EOL;
+}
+```
+
+### Options
+
+Note: the input parameter is an associative array with the keys listed below.
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**config_store_id** | **string** | An alphanumeric string identifying the config store. |
+**item_key** | **string** | Item key, maximum 256 characters. | [optional]
+**item_value** | **string** | Item value, maximum 8000 characters. | [optional]
+
+### Return type
+
+[**\Fastly\Model\ConfigStoreItemResponse**](../Model/ConfigStoreItemResponse.md)
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to README]](../../README.md)
+
+## `deleteConfigStoreItem()`
+
+```php
+deleteConfigStoreItem($options): \Fastly\Model\InlineResponse200 // Delete an item from a config store
+```
+
+Delete an entry in a config store given a config store ID, and item key.
+
+### Example
+```php
+    $options['config_store_id'] = 'config_store_id_example'; // string | An alphanumeric string identifying the config store.
+$options['config_store_item_key'] = 'config_store_item_key_example'; // string | Item key, maximum 256 characters.
+
+try {
+    $result = $apiInstance->deleteConfigStoreItem($options);
+} catch (Exception $e) {
+    echo 'Exception when calling ConfigStoreItemApi->deleteConfigStoreItem: ', $e->getMessage(), PHP_EOL;
+}
+```
+
+### Options
+
+Note: the input parameter is an associative array with the keys listed below.
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**config_store_id** | **string** | An alphanumeric string identifying the config store. |
+**config_store_item_key** | **string** | Item key, maximum 256 characters. |
+
+### Return type
+
+[**\Fastly\Model\InlineResponse200**](../Model/InlineResponse200.md)
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to README]](../../README.md)
+
+## `getConfigStoreItem()`
+
+```php
+getConfigStoreItem($options): \Fastly\Model\ConfigStoreItemResponse // Get an item from a config store
+```
+
+Retrieve a config store entry given a config store ID and item key.
+
+### Example
+```php
+    $options['config_store_id'] = 'config_store_id_example'; // string | An alphanumeric string identifying the config store.
+$options['config_store_item_key'] = 'config_store_item_key_example'; // string | Item key, maximum 256 characters.
+
+try {
+    $result = $apiInstance->getConfigStoreItem($options);
+} catch (Exception $e) {
+    echo 'Exception when calling ConfigStoreItemApi->getConfigStoreItem: ', $e->getMessage(), PHP_EOL;
+}
+```
+
+### Options
+
+Note: the input parameter is an associative array with the keys listed below.
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**config_store_id** | **string** | An alphanumeric string identifying the config store. |
+**config_store_item_key** | **string** | Item key, maximum 256 characters. |
+
+### Return type
+
+[**\Fastly\Model\ConfigStoreItemResponse**](../Model/ConfigStoreItemResponse.md)
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to README]](../../README.md)
+
+## `listConfigStoreItems()`
+
+```php
+listConfigStoreItems($options): \Fastly\Model\ConfigStoreItemResponse[] // List items in a config store
+```
+
+List the key-value pairs associated with a given config store ID.
+
+### Example
+```php
+    $options['config_store_id'] = 'config_store_id_example'; // string | An alphanumeric string identifying the config store.
+
+try {
+    $result = $apiInstance->listConfigStoreItems($options);
+} catch (Exception $e) {
+    echo 'Exception when calling ConfigStoreItemApi->listConfigStoreItems: ', $e->getMessage(), PHP_EOL;
+}
+```
+
+### Options
+
+Note: the input parameter is an associative array with the keys listed below.
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**config_store_id** | **string** | An alphanumeric string identifying the config store. |
+
+### Return type
+
+[**\Fastly\Model\ConfigStoreItemResponse[]**](../Model/ConfigStoreItemResponse.md)
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to README]](../../README.md)
+
+## `updateConfigStoreItem()`
+
+```php
+updateConfigStoreItem($options): \Fastly\Model\ConfigStoreItemResponse // Update an entry in a config store
+```
+
+Update an entry in a config store given a config store ID, item key, and item value.
+
+### Example
+```php
+    $options['config_store_id'] = 'config_store_id_example'; // string | An alphanumeric string identifying the config store.
+$options['config_store_item_key'] = 'config_store_item_key_example'; // string | Item key, maximum 256 characters.
+$options['item_key'] = 'item_key_example'; // string | Item key, maximum 256 characters.
+$options['item_value'] = 'item_value_example'; // string | Item value, maximum 8000 characters.
+
+try {
+    $result = $apiInstance->updateConfigStoreItem($options);
+} catch (Exception $e) {
+    echo 'Exception when calling ConfigStoreItemApi->updateConfigStoreItem: ', $e->getMessage(), PHP_EOL;
+}
+```
+
+### Options
+
+Note: the input parameter is an associative array with the keys listed below.
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**config_store_id** | **string** | An alphanumeric string identifying the config store. |
+**config_store_item_key** | **string** | Item key, maximum 256 characters. |
+**item_key** | **string** | Item key, maximum 256 characters. | [optional]
+**item_value** | **string** | Item value, maximum 8000 characters. | [optional]
+
+### Return type
+
+[**\Fastly\Model\ConfigStoreItemResponse**](../Model/ConfigStoreItemResponse.md)
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to README]](../../README.md)
+
+## `upsertConfigStoreItem()`
+
+```php
+upsertConfigStoreItem($options): \Fastly\Model\ConfigStoreItemResponse // Insert or update an entry in a config store
+```
+
+Insert or update an entry in a config store given a config store ID, item key, and item value.
+
+### Example
+```php
+    $options['config_store_id'] = 'config_store_id_example'; // string | An alphanumeric string identifying the config store.
+$options['config_store_item_key'] = 'config_store_item_key_example'; // string | Item key, maximum 256 characters.
+$options['item_key'] = 'item_key_example'; // string | Item key, maximum 256 characters.
+$options['item_value'] = 'item_value_example'; // string | Item value, maximum 8000 characters.
+
+try {
+    $result = $apiInstance->upsertConfigStoreItem($options);
+} catch (Exception $e) {
+    echo 'Exception when calling ConfigStoreItemApi->upsertConfigStoreItem: ', $e->getMessage(), PHP_EOL;
+}
+```
+
+### Options
+
+Note: the input parameter is an associative array with the keys listed below.
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**config_store_id** | **string** | An alphanumeric string identifying the config store. |
+**config_store_item_key** | **string** | Item key, maximum 256 characters. |
+**item_key** | **string** | Item key, maximum 256 characters. | [optional]
+**item_value** | **string** | Item value, maximum 8000 characters. | [optional]
+
+### Return type
+
+[**\Fastly\Model\ConfigStoreItemResponse**](../Model/ConfigStoreItemResponse.md)
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to README]](../../README.md)
diff --git a/docs/Model/BulkUpdateConfigStoreItem.md b/docs/Model/BulkUpdateConfigStoreItem.md
new file mode 100644
index 00000000..d1680134
--- /dev/null
+++ b/docs/Model/BulkUpdateConfigStoreItem.md
@@ -0,0 +1,12 @@
+# # BulkUpdateConfigStoreItem
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**item_key** | **string** | Item key, maximum 256 characters. | [optional] 
+**item_value** | **string** | Item value, maximum 8000 characters. | [optional] 
+**op** | **string** |  | [optional]  [one of: 'create', 'update', 'delete', 'upsert']
+
+
+[[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/docs/Model/BulkUpdateDictionaryItemAllOf.md b/docs/Model/BulkUpdateConfigStoreItemAllOf.md
similarity index 88%
rename from docs/Model/BulkUpdateDictionaryItemAllOf.md
rename to docs/Model/BulkUpdateConfigStoreItemAllOf.md
index 42ba2cb5..9a679d12 100644
--- a/docs/Model/BulkUpdateDictionaryItemAllOf.md
+++ b/docs/Model/BulkUpdateConfigStoreItemAllOf.md
@@ -1,4 +1,4 @@
-# # BulkUpdateDictionaryItemAllOf
+# # BulkUpdateConfigStoreItemAllOf
 
 ## Properties
 
diff --git a/docs/Model/BulkUpdateConfigStoreListRequest.md b/docs/Model/BulkUpdateConfigStoreListRequest.md
new file mode 100644
index 00000000..03e76dd0
--- /dev/null
+++ b/docs/Model/BulkUpdateConfigStoreListRequest.md
@@ -0,0 +1,10 @@
+# # BulkUpdateConfigStoreListRequest
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**items** | [**\Fastly\Model\BulkUpdateConfigStoreItem[]**](BulkUpdateConfigStoreItem.md) |  | [optional] 
+
+
+[[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/docs/Model/ConfigStore.md b/docs/Model/ConfigStore.md
new file mode 100644
index 00000000..1744b6a4
--- /dev/null
+++ b/docs/Model/ConfigStore.md
@@ -0,0 +1,10 @@
+# # ConfigStore
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **string** | The name of the config store. | [optional] 
+
+
+[[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/docs/Model/ConfigStoreInfoResponse.md b/docs/Model/ConfigStoreInfoResponse.md
new file mode 100644
index 00000000..c4b05297
--- /dev/null
+++ b/docs/Model/ConfigStoreInfoResponse.md
@@ -0,0 +1,10 @@
+# # ConfigStoreInfoResponse
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**item_count** | **int** | The number of items currently in the config store. | [optional] 
+
+
+[[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/docs/Model/ConfigStoreItem.md b/docs/Model/ConfigStoreItem.md
new file mode 100644
index 00000000..62ae8a85
--- /dev/null
+++ b/docs/Model/ConfigStoreItem.md
@@ -0,0 +1,11 @@
+# # ConfigStoreItem
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**item_key** | **string** | Item key, maximum 256 characters. | [optional] 
+**item_value** | **string** | Item value, maximum 8000 characters. | [optional] 
+
+
+[[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/docs/Model/ConfigStoreItemResponse.md b/docs/Model/ConfigStoreItemResponse.md
new file mode 100644
index 00000000..f3871962
--- /dev/null
+++ b/docs/Model/ConfigStoreItemResponse.md
@@ -0,0 +1,15 @@
+# # ConfigStoreItemResponse
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**item_key** | **string** | Item key, maximum 256 characters. | [optional] 
+**item_value** | **string** | Item value, maximum 8000 characters. | [optional] 
+**created_at** | **\DateTime** | Date and time in ISO 8601 format. | [optional] [readonly] 
+**deleted_at** | **\DateTime** | Date and time in ISO 8601 format. | [optional] [readonly] 
+**updated_at** | **\DateTime** | Date and time in ISO 8601 format. | [optional] [readonly] 
+**store_id** | **string** |  | [optional] [readonly] 
+
+
+[[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/docs/Model/ConfigStoreItemResponseAllOf.md b/docs/Model/ConfigStoreItemResponseAllOf.md
new file mode 100644
index 00000000..ab96cacb
--- /dev/null
+++ b/docs/Model/ConfigStoreItemResponseAllOf.md
@@ -0,0 +1,10 @@
+# # ConfigStoreItemResponseAllOf
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**store_id** | **string** |  | [optional] [readonly] 
+
+
+[[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/docs/Model/ConfigStoreResponse.md b/docs/Model/ConfigStoreResponse.md
new file mode 100644
index 00000000..39e715ab
--- /dev/null
+++ b/docs/Model/ConfigStoreResponse.md
@@ -0,0 +1,14 @@
+# # ConfigStoreResponse
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**created_at** | **\DateTime** | Date and time in ISO 8601 format. | [optional] [readonly] 
+**deleted_at** | **\DateTime** | Date and time in ISO 8601 format. | [optional] [readonly] 
+**updated_at** | **\DateTime** | Date and time in ISO 8601 format. | [optional] [readonly] 
+**name** | **string** | The name of the config store. | [optional] 
+**id** | **string** | An alphanumeric string identifying the config store. | [optional] 
+
+
+[[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/docs/Model/ConfigStoreResponseAllOf.md b/docs/Model/ConfigStoreResponseAllOf.md
new file mode 100644
index 00000000..1d62820e
--- /dev/null
+++ b/docs/Model/ConfigStoreResponseAllOf.md
@@ -0,0 +1,10 @@
+# # ConfigStoreResponseAllOf
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**id** | **string** | An alphanumeric string identifying the config store. | [optional] 
+
+
+[[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/lib/Api/ConfigStoreApi.php b/lib/Api/ConfigStoreApi.php
new file mode 100644
index 00000000..a2972351
--- /dev/null
+++ b/lib/Api/ConfigStoreApi.php
@@ -0,0 +1,2217 @@
+<?php
+/**
+ * ConfigStoreApi
+ * PHP version 7.3
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ */
+
+/**
+ * Fastly API
+ *
+ * A PHP client library for interacting with most facets of the Fastly API.
+ *
+ */
+
+/**
+ * NOTE: This class is auto generated.
+ * Do not edit the class manually.
+ */
+
+namespace Fastly\Api;
+
+use GuzzleHttp\Client;
+use GuzzleHttp\ClientInterface;
+use GuzzleHttp\Exception\RequestException;
+use GuzzleHttp\Exception\ConnectException;
+use GuzzleHttp\Psr7\MultipartStream;
+use GuzzleHttp\Psr7\Request;
+use GuzzleHttp\RequestOptions;
+use Fastly\ApiException;
+use Fastly\Configuration;
+use Fastly\HeaderSelector;
+use Fastly\ObjectSerializer;
+
+/**
+ * ConfigStoreApi Class Doc Comment
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ */
+class ConfigStoreApi
+{
+    /**
+     * @var ClientInterface
+     */
+    protected $client;
+
+    /**
+     * @var Configuration
+     */
+    protected $config;
+
+    /**
+     * @var HeaderSelector
+     */
+    protected $headerSelector;
+
+    /**
+     * @var int Host index
+     */
+    protected $hostIndex;
+
+    /**
+     * @param ClientInterface $client
+     * @param Configuration   $config
+     * @param HeaderSelector  $selector
+     * @param int             $hostIndex (Optional) host index to select the list of hosts if multiple are defined
+     */
+    public function __construct(
+        ClientInterface $client = null,
+        Configuration $config = null,
+        HeaderSelector $selector = null,
+        $hostIndex = 0
+    ) {
+        $this->client = $client ?: new Client();
+        $this->config = $config ?: new Configuration();
+        $this->headerSelector = $selector ?: new HeaderSelector();
+        $this->hostIndex = $hostIndex;
+    }
+
+    /**
+     * Set the host index
+     *
+     * @param int $hostIndex Host index (required)
+     */
+    public function setHostIndex($hostIndex): void
+    {
+        $this->hostIndex = $hostIndex;
+    }
+
+    /**
+     * Get the host index
+     *
+     * @return int Host index
+     */
+    public function getHostIndex()
+    {
+        return $this->hostIndex;
+    }
+
+    /**
+     * @return Configuration
+     */
+    public function getConfig()
+    {
+        return $this->config;
+    }
+
+    /**
+     * Operation createConfigStore
+     *
+     * Create a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $name The name of the config store. (optional)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return \Fastly\Model\ConfigStoreResponse
+     */
+    public function createConfigStore($options)
+    {
+        list($response) = $this->createConfigStoreWithHttpInfo($options);
+        return $response;
+    }
+
+    /**
+     * Operation createConfigStoreWithHttpInfo
+     *
+     * Create a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $name The name of the config store. (optional)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of \Fastly\Model\ConfigStoreResponse, HTTP status code, HTTP response headers (array of strings)
+     */
+    public function createConfigStoreWithHttpInfo($options)
+    {
+        $request = $this->createConfigStoreRequest($options);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            if ('POST' != 'GET' && 'POST' != 'HEAD') {
+                $header = $response->getHeader('Fastly-RateLimit-Remaining');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitRemaining($header[0]);
+                }
+
+                $header = $response->getHeader('Fastly-RateLimit-Reset');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitReset($header[0]);
+                }
+            } 
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string) $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string) $response->getBody()
+                );
+            }
+
+            switch($statusCode) {
+                case 200:
+                    if ('\Fastly\Model\ConfigStoreResponse' === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Fastly\Model\ConfigStoreResponse', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+
+            $returnType = '\Fastly\Model\ConfigStoreResponse';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); //stream goes to serializer
+            } else {
+                $content = (string) $response->getBody();
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Fastly\Model\ConfigStoreResponse',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation createConfigStoreAsync
+     *
+     * Create a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $name The name of the config store. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function createConfigStoreAsync($options)
+    {
+        return $this->createConfigStoreAsyncWithHttpInfo($options)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation createConfigStoreAsyncWithHttpInfo
+     *
+     * Create a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $name The name of the config store. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function createConfigStoreAsyncWithHttpInfo($options)
+    {
+        $returnType = '\Fastly\Model\ConfigStoreResponse';
+        $request = $this->createConfigStoreRequest($options);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string) $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'createConfigStore'
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $name The name of the config store. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function createConfigStoreRequest($options)
+    {
+        // unbox the parameters from the associative array
+        $name = array_key_exists('name', $options) ? $options['name'] : null;
+
+
+        $resourcePath = '/resources/stores/config';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+
+
+
+        // form params
+        if ($name !== null) {
+            $formParams['name'] = ObjectSerializer::toFormValue($name);
+        }
+
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                ['application/x-www-form-urlencoded']
+            );
+        }
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+
+        // this endpoint requires API token authentication
+        $apiToken = $this->config->getApiTokenWithPrefix('Fastly-Key');
+        if ($apiToken !== null) {
+            $headers['Fastly-Key'] = $apiToken;
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'POST',
+            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation deleteConfigStore
+     *
+     * Delete a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return \Fastly\Model\InlineResponse200
+     */
+    public function deleteConfigStore($options)
+    {
+        list($response) = $this->deleteConfigStoreWithHttpInfo($options);
+        return $response;
+    }
+
+    /**
+     * Operation deleteConfigStoreWithHttpInfo
+     *
+     * Delete a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of \Fastly\Model\InlineResponse200, HTTP status code, HTTP response headers (array of strings)
+     */
+    public function deleteConfigStoreWithHttpInfo($options)
+    {
+        $request = $this->deleteConfigStoreRequest($options);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            if ('DELETE' != 'GET' && 'DELETE' != 'HEAD') {
+                $header = $response->getHeader('Fastly-RateLimit-Remaining');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitRemaining($header[0]);
+                }
+
+                $header = $response->getHeader('Fastly-RateLimit-Reset');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitReset($header[0]);
+                }
+            } 
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string) $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string) $response->getBody()
+                );
+            }
+
+            switch($statusCode) {
+                case 200:
+                    if ('\Fastly\Model\InlineResponse200' === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Fastly\Model\InlineResponse200', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+
+            $returnType = '\Fastly\Model\InlineResponse200';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); //stream goes to serializer
+            } else {
+                $content = (string) $response->getBody();
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Fastly\Model\InlineResponse200',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation deleteConfigStoreAsync
+     *
+     * Delete a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function deleteConfigStoreAsync($options)
+    {
+        return $this->deleteConfigStoreAsyncWithHttpInfo($options)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation deleteConfigStoreAsyncWithHttpInfo
+     *
+     * Delete a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function deleteConfigStoreAsyncWithHttpInfo($options)
+    {
+        $returnType = '\Fastly\Model\InlineResponse200';
+        $request = $this->deleteConfigStoreRequest($options);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string) $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'deleteConfigStore'
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function deleteConfigStoreRequest($options)
+    {
+        // unbox the parameters from the associative array
+        $config_store_id = array_key_exists('config_store_id', $options) ? $options['config_store_id'] : null;
+
+        // verify the required parameter 'config_store_id' is set
+        if ($config_store_id === null || (is_array($config_store_id) && count($config_store_id) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_id when calling deleteConfigStore'
+            );
+        }
+
+        $resourcePath = '/resources/stores/config/{config_store_id}';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+
+
+        // path params
+        if ($config_store_id !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_id' . '}',
+                ObjectSerializer::toPathValue($config_store_id),
+                $resourcePath
+            );
+        }
+
+
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                []
+            );
+        }
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+
+        // this endpoint requires API token authentication
+        $apiToken = $this->config->getApiTokenWithPrefix('Fastly-Key');
+        if ($apiToken !== null) {
+            $headers['Fastly-Key'] = $apiToken;
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'DELETE',
+            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation getConfigStore
+     *
+     * Describe a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return \Fastly\Model\ConfigStoreResponse
+     */
+    public function getConfigStore($options)
+    {
+        list($response) = $this->getConfigStoreWithHttpInfo($options);
+        return $response;
+    }
+
+    /**
+     * Operation getConfigStoreWithHttpInfo
+     *
+     * Describe a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of \Fastly\Model\ConfigStoreResponse, HTTP status code, HTTP response headers (array of strings)
+     */
+    public function getConfigStoreWithHttpInfo($options)
+    {
+        $request = $this->getConfigStoreRequest($options);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            if ('GET' != 'GET' && 'GET' != 'HEAD') {
+                $header = $response->getHeader('Fastly-RateLimit-Remaining');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitRemaining($header[0]);
+                }
+
+                $header = $response->getHeader('Fastly-RateLimit-Reset');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitReset($header[0]);
+                }
+            } 
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string) $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string) $response->getBody()
+                );
+            }
+
+            switch($statusCode) {
+                case 200:
+                    if ('\Fastly\Model\ConfigStoreResponse' === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Fastly\Model\ConfigStoreResponse', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+
+            $returnType = '\Fastly\Model\ConfigStoreResponse';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); //stream goes to serializer
+            } else {
+                $content = (string) $response->getBody();
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Fastly\Model\ConfigStoreResponse',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation getConfigStoreAsync
+     *
+     * Describe a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function getConfigStoreAsync($options)
+    {
+        return $this->getConfigStoreAsyncWithHttpInfo($options)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation getConfigStoreAsyncWithHttpInfo
+     *
+     * Describe a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function getConfigStoreAsyncWithHttpInfo($options)
+    {
+        $returnType = '\Fastly\Model\ConfigStoreResponse';
+        $request = $this->getConfigStoreRequest($options);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string) $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'getConfigStore'
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function getConfigStoreRequest($options)
+    {
+        // unbox the parameters from the associative array
+        $config_store_id = array_key_exists('config_store_id', $options) ? $options['config_store_id'] : null;
+
+        // verify the required parameter 'config_store_id' is set
+        if ($config_store_id === null || (is_array($config_store_id) && count($config_store_id) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_id when calling getConfigStore'
+            );
+        }
+
+        $resourcePath = '/resources/stores/config/{config_store_id}';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+
+
+        // path params
+        if ($config_store_id !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_id' . '}',
+                ObjectSerializer::toPathValue($config_store_id),
+                $resourcePath
+            );
+        }
+
+
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                []
+            );
+        }
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+
+        // this endpoint requires API token authentication
+        $apiToken = $this->config->getApiTokenWithPrefix('Fastly-Key');
+        if ($apiToken !== null) {
+            $headers['Fastly-Key'] = $apiToken;
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'GET',
+            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation getConfigStoreInfo
+     *
+     * Get config store metadata
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return \Fastly\Model\ConfigStoreInfoResponse
+     */
+    public function getConfigStoreInfo($options)
+    {
+        list($response) = $this->getConfigStoreInfoWithHttpInfo($options);
+        return $response;
+    }
+
+    /**
+     * Operation getConfigStoreInfoWithHttpInfo
+     *
+     * Get config store metadata
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of \Fastly\Model\ConfigStoreInfoResponse, HTTP status code, HTTP response headers (array of strings)
+     */
+    public function getConfigStoreInfoWithHttpInfo($options)
+    {
+        $request = $this->getConfigStoreInfoRequest($options);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            if ('GET' != 'GET' && 'GET' != 'HEAD') {
+                $header = $response->getHeader('Fastly-RateLimit-Remaining');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitRemaining($header[0]);
+                }
+
+                $header = $response->getHeader('Fastly-RateLimit-Reset');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitReset($header[0]);
+                }
+            } 
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string) $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string) $response->getBody()
+                );
+            }
+
+            switch($statusCode) {
+                case 200:
+                    if ('\Fastly\Model\ConfigStoreInfoResponse' === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Fastly\Model\ConfigStoreInfoResponse', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+
+            $returnType = '\Fastly\Model\ConfigStoreInfoResponse';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); //stream goes to serializer
+            } else {
+                $content = (string) $response->getBody();
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Fastly\Model\ConfigStoreInfoResponse',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation getConfigStoreInfoAsync
+     *
+     * Get config store metadata
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function getConfigStoreInfoAsync($options)
+    {
+        return $this->getConfigStoreInfoAsyncWithHttpInfo($options)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation getConfigStoreInfoAsyncWithHttpInfo
+     *
+     * Get config store metadata
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function getConfigStoreInfoAsyncWithHttpInfo($options)
+    {
+        $returnType = '\Fastly\Model\ConfigStoreInfoResponse';
+        $request = $this->getConfigStoreInfoRequest($options);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string) $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'getConfigStoreInfo'
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function getConfigStoreInfoRequest($options)
+    {
+        // unbox the parameters from the associative array
+        $config_store_id = array_key_exists('config_store_id', $options) ? $options['config_store_id'] : null;
+
+        // verify the required parameter 'config_store_id' is set
+        if ($config_store_id === null || (is_array($config_store_id) && count($config_store_id) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_id when calling getConfigStoreInfo'
+            );
+        }
+
+        $resourcePath = '/resources/stores/config/{config_store_id}/info';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+
+
+        // path params
+        if ($config_store_id !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_id' . '}',
+                ObjectSerializer::toPathValue($config_store_id),
+                $resourcePath
+            );
+        }
+
+
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                []
+            );
+        }
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+
+        // this endpoint requires API token authentication
+        $apiToken = $this->config->getApiTokenWithPrefix('Fastly-Key');
+        if ($apiToken !== null) {
+            $headers['Fastly-Key'] = $apiToken;
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'GET',
+            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation listConfigStoreServices
+     *
+     * List linked services
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return object
+     */
+    public function listConfigStoreServices($options)
+    {
+        list($response) = $this->listConfigStoreServicesWithHttpInfo($options);
+        return $response;
+    }
+
+    /**
+     * Operation listConfigStoreServicesWithHttpInfo
+     *
+     * List linked services
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of object, HTTP status code, HTTP response headers (array of strings)
+     */
+    public function listConfigStoreServicesWithHttpInfo($options)
+    {
+        $request = $this->listConfigStoreServicesRequest($options);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            if ('GET' != 'GET' && 'GET' != 'HEAD') {
+                $header = $response->getHeader('Fastly-RateLimit-Remaining');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitRemaining($header[0]);
+                }
+
+                $header = $response->getHeader('Fastly-RateLimit-Reset');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitReset($header[0]);
+                }
+            } 
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string) $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string) $response->getBody()
+                );
+            }
+
+            switch($statusCode) {
+                case 200:
+                    if ('object' === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, 'object', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+
+            $returnType = 'object';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); //stream goes to serializer
+            } else {
+                $content = (string) $response->getBody();
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        'object',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation listConfigStoreServicesAsync
+     *
+     * List linked services
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function listConfigStoreServicesAsync($options)
+    {
+        return $this->listConfigStoreServicesAsyncWithHttpInfo($options)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation listConfigStoreServicesAsyncWithHttpInfo
+     *
+     * List linked services
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function listConfigStoreServicesAsyncWithHttpInfo($options)
+    {
+        $returnType = 'object';
+        $request = $this->listConfigStoreServicesRequest($options);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string) $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'listConfigStoreServices'
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function listConfigStoreServicesRequest($options)
+    {
+        // unbox the parameters from the associative array
+        $config_store_id = array_key_exists('config_store_id', $options) ? $options['config_store_id'] : null;
+
+        // verify the required parameter 'config_store_id' is set
+        if ($config_store_id === null || (is_array($config_store_id) && count($config_store_id) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_id when calling listConfigStoreServices'
+            );
+        }
+
+        $resourcePath = '/resources/stores/config/{config_store_id}/services';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+
+
+        // path params
+        if ($config_store_id !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_id' . '}',
+                ObjectSerializer::toPathValue($config_store_id),
+                $resourcePath
+            );
+        }
+
+
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                []
+            );
+        }
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+
+        // this endpoint requires API token authentication
+        $apiToken = $this->config->getApiTokenWithPrefix('Fastly-Key');
+        if ($apiToken !== null) {
+            $headers['Fastly-Key'] = $apiToken;
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'GET',
+            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation listConfigStores
+     *
+     * List config stores
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return \Fastly\Model\ConfigStoreResponse[]
+     */
+    public function listConfigStores($options)
+    {
+        list($response) = $this->listConfigStoresWithHttpInfo($options);
+        return $response;
+    }
+
+    /**
+     * Operation listConfigStoresWithHttpInfo
+     *
+     * List config stores
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of \Fastly\Model\ConfigStoreResponse[], HTTP status code, HTTP response headers (array of strings)
+     */
+    public function listConfigStoresWithHttpInfo($options)
+    {
+        $request = $this->listConfigStoresRequest($options);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            if ('GET' != 'GET' && 'GET' != 'HEAD') {
+                $header = $response->getHeader('Fastly-RateLimit-Remaining');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitRemaining($header[0]);
+                }
+
+                $header = $response->getHeader('Fastly-RateLimit-Reset');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitReset($header[0]);
+                }
+            } 
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string) $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string) $response->getBody()
+                );
+            }
+
+            switch($statusCode) {
+                case 200:
+                    if ('\Fastly\Model\ConfigStoreResponse[]' === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Fastly\Model\ConfigStoreResponse[]', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+
+            $returnType = '\Fastly\Model\ConfigStoreResponse[]';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); //stream goes to serializer
+            } else {
+                $content = (string) $response->getBody();
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Fastly\Model\ConfigStoreResponse[]',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation listConfigStoresAsync
+     *
+     * List config stores
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function listConfigStoresAsync($options)
+    {
+        return $this->listConfigStoresAsyncWithHttpInfo($options)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation listConfigStoresAsyncWithHttpInfo
+     *
+     * List config stores
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function listConfigStoresAsyncWithHttpInfo($options)
+    {
+        $returnType = '\Fastly\Model\ConfigStoreResponse[]';
+        $request = $this->listConfigStoresRequest($options);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string) $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'listConfigStores'
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function listConfigStoresRequest($options)
+    {
+        // unbox the parameters from the associative array
+
+
+        $resourcePath = '/resources/stores/config';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+
+
+
+
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                []
+            );
+        }
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+
+        // this endpoint requires API token authentication
+        $apiToken = $this->config->getApiTokenWithPrefix('Fastly-Key');
+        if ($apiToken !== null) {
+            $headers['Fastly-Key'] = $apiToken;
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'GET',
+            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation updateConfigStore
+     *
+     * Update a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $name The name of the config store. (optional)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return \Fastly\Model\ConfigStoreResponse
+     */
+    public function updateConfigStore($options)
+    {
+        list($response) = $this->updateConfigStoreWithHttpInfo($options);
+        return $response;
+    }
+
+    /**
+     * Operation updateConfigStoreWithHttpInfo
+     *
+     * Update a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $name The name of the config store. (optional)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of \Fastly\Model\ConfigStoreResponse, HTTP status code, HTTP response headers (array of strings)
+     */
+    public function updateConfigStoreWithHttpInfo($options)
+    {
+        $request = $this->updateConfigStoreRequest($options);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            if ('PUT' != 'GET' && 'PUT' != 'HEAD') {
+                $header = $response->getHeader('Fastly-RateLimit-Remaining');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitRemaining($header[0]);
+                }
+
+                $header = $response->getHeader('Fastly-RateLimit-Reset');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitReset($header[0]);
+                }
+            } 
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string) $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string) $response->getBody()
+                );
+            }
+
+            switch($statusCode) {
+                case 200:
+                    if ('\Fastly\Model\ConfigStoreResponse' === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Fastly\Model\ConfigStoreResponse', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+
+            $returnType = '\Fastly\Model\ConfigStoreResponse';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); //stream goes to serializer
+            } else {
+                $content = (string) $response->getBody();
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Fastly\Model\ConfigStoreResponse',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation updateConfigStoreAsync
+     *
+     * Update a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $name The name of the config store. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function updateConfigStoreAsync($options)
+    {
+        return $this->updateConfigStoreAsyncWithHttpInfo($options)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation updateConfigStoreAsyncWithHttpInfo
+     *
+     * Update a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $name The name of the config store. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function updateConfigStoreAsyncWithHttpInfo($options)
+    {
+        $returnType = '\Fastly\Model\ConfigStoreResponse';
+        $request = $this->updateConfigStoreRequest($options);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string) $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'updateConfigStore'
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $name The name of the config store. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function updateConfigStoreRequest($options)
+    {
+        // unbox the parameters from the associative array
+        $config_store_id = array_key_exists('config_store_id', $options) ? $options['config_store_id'] : null;
+        $name = array_key_exists('name', $options) ? $options['name'] : null;
+
+        // verify the required parameter 'config_store_id' is set
+        if ($config_store_id === null || (is_array($config_store_id) && count($config_store_id) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_id when calling updateConfigStore'
+            );
+        }
+
+        $resourcePath = '/resources/stores/config/{config_store_id}';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+
+
+        // path params
+        if ($config_store_id !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_id' . '}',
+                ObjectSerializer::toPathValue($config_store_id),
+                $resourcePath
+            );
+        }
+
+        // form params
+        if ($name !== null) {
+            $formParams['name'] = ObjectSerializer::toFormValue($name);
+        }
+
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                ['application/x-www-form-urlencoded']
+            );
+        }
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+
+        // this endpoint requires API token authentication
+        $apiToken = $this->config->getApiTokenWithPrefix('Fastly-Key');
+        if ($apiToken !== null) {
+            $headers['Fastly-Key'] = $apiToken;
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'PUT',
+            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Create http client option
+     *
+     * @throws \RuntimeException on file opening failure
+     * @return array of http client options
+     */
+    protected function createHttpClientOption()
+    {
+        $options = [];
+        if ($this->config->getDebug()) {
+            $options[RequestOptions::DEBUG] = fopen($this->config->getDebugFile(), 'a');
+            if (!$options[RequestOptions::DEBUG]) {
+                throw new \RuntimeException('Failed to open the debug file: ' . $this->config->getDebugFile());
+            }
+        }
+
+        return $options;
+    }
+}
diff --git a/lib/Api/ConfigStoreItemApi.php b/lib/Api/ConfigStoreItemApi.php
new file mode 100644
index 00000000..b70e8d5c
--- /dev/null
+++ b/lib/Api/ConfigStoreItemApi.php
@@ -0,0 +1,2389 @@
+<?php
+/**
+ * ConfigStoreItemApi
+ * PHP version 7.3
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ */
+
+/**
+ * Fastly API
+ *
+ * A PHP client library for interacting with most facets of the Fastly API.
+ *
+ */
+
+/**
+ * NOTE: This class is auto generated.
+ * Do not edit the class manually.
+ */
+
+namespace Fastly\Api;
+
+use GuzzleHttp\Client;
+use GuzzleHttp\ClientInterface;
+use GuzzleHttp\Exception\RequestException;
+use GuzzleHttp\Exception\ConnectException;
+use GuzzleHttp\Psr7\MultipartStream;
+use GuzzleHttp\Psr7\Request;
+use GuzzleHttp\RequestOptions;
+use Fastly\ApiException;
+use Fastly\Configuration;
+use Fastly\HeaderSelector;
+use Fastly\ObjectSerializer;
+
+/**
+ * ConfigStoreItemApi Class Doc Comment
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ */
+class ConfigStoreItemApi
+{
+    /**
+     * @var ClientInterface
+     */
+    protected $client;
+
+    /**
+     * @var Configuration
+     */
+    protected $config;
+
+    /**
+     * @var HeaderSelector
+     */
+    protected $headerSelector;
+
+    /**
+     * @var int Host index
+     */
+    protected $hostIndex;
+
+    /**
+     * @param ClientInterface $client
+     * @param Configuration   $config
+     * @param HeaderSelector  $selector
+     * @param int             $hostIndex (Optional) host index to select the list of hosts if multiple are defined
+     */
+    public function __construct(
+        ClientInterface $client = null,
+        Configuration $config = null,
+        HeaderSelector $selector = null,
+        $hostIndex = 0
+    ) {
+        $this->client = $client ?: new Client();
+        $this->config = $config ?: new Configuration();
+        $this->headerSelector = $selector ?: new HeaderSelector();
+        $this->hostIndex = $hostIndex;
+    }
+
+    /**
+     * Set the host index
+     *
+     * @param int $hostIndex Host index (required)
+     */
+    public function setHostIndex($hostIndex): void
+    {
+        $this->hostIndex = $hostIndex;
+    }
+
+    /**
+     * Get the host index
+     *
+     * @return int Host index
+     */
+    public function getHostIndex()
+    {
+        return $this->hostIndex;
+    }
+
+    /**
+     * @return Configuration
+     */
+    public function getConfig()
+    {
+        return $this->config;
+    }
+
+    /**
+     * Operation bulkUpdateConfigStoreItem
+     *
+     * Update multiple entries in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  \Fastly\Model\BulkUpdateConfigStoreListRequest $bulk_update_config_store_list_request bulk_update_config_store_list_request (optional)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return \Fastly\Model\InlineResponse200
+     */
+    public function bulkUpdateConfigStoreItem($options)
+    {
+        list($response) = $this->bulkUpdateConfigStoreItemWithHttpInfo($options);
+        return $response;
+    }
+
+    /**
+     * Operation bulkUpdateConfigStoreItemWithHttpInfo
+     *
+     * Update multiple entries in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  \Fastly\Model\BulkUpdateConfigStoreListRequest $bulk_update_config_store_list_request (optional)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of \Fastly\Model\InlineResponse200, HTTP status code, HTTP response headers (array of strings)
+     */
+    public function bulkUpdateConfigStoreItemWithHttpInfo($options)
+    {
+        $request = $this->bulkUpdateConfigStoreItemRequest($options);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            if ('PATCH' != 'GET' && 'PATCH' != 'HEAD') {
+                $header = $response->getHeader('Fastly-RateLimit-Remaining');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitRemaining($header[0]);
+                }
+
+                $header = $response->getHeader('Fastly-RateLimit-Reset');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitReset($header[0]);
+                }
+            } 
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string) $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string) $response->getBody()
+                );
+            }
+
+            switch($statusCode) {
+                case 200:
+                    if ('\Fastly\Model\InlineResponse200' === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Fastly\Model\InlineResponse200', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+
+            $returnType = '\Fastly\Model\InlineResponse200';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); //stream goes to serializer
+            } else {
+                $content = (string) $response->getBody();
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Fastly\Model\InlineResponse200',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation bulkUpdateConfigStoreItemAsync
+     *
+     * Update multiple entries in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  \Fastly\Model\BulkUpdateConfigStoreListRequest $bulk_update_config_store_list_request (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function bulkUpdateConfigStoreItemAsync($options)
+    {
+        return $this->bulkUpdateConfigStoreItemAsyncWithHttpInfo($options)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation bulkUpdateConfigStoreItemAsyncWithHttpInfo
+     *
+     * Update multiple entries in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  \Fastly\Model\BulkUpdateConfigStoreListRequest $bulk_update_config_store_list_request (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function bulkUpdateConfigStoreItemAsyncWithHttpInfo($options)
+    {
+        $returnType = '\Fastly\Model\InlineResponse200';
+        $request = $this->bulkUpdateConfigStoreItemRequest($options);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string) $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'bulkUpdateConfigStoreItem'
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  \Fastly\Model\BulkUpdateConfigStoreListRequest $bulk_update_config_store_list_request (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function bulkUpdateConfigStoreItemRequest($options)
+    {
+        // unbox the parameters from the associative array
+        $config_store_id = array_key_exists('config_store_id', $options) ? $options['config_store_id'] : null;
+        $bulk_update_config_store_list_request = array_key_exists('bulk_update_config_store_list_request', $options) ? $options['bulk_update_config_store_list_request'] : null;
+
+        // verify the required parameter 'config_store_id' is set
+        if ($config_store_id === null || (is_array($config_store_id) && count($config_store_id) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_id when calling bulkUpdateConfigStoreItem'
+            );
+        }
+
+        $resourcePath = '/resources/stores/config/{config_store_id}/items';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+
+
+        // path params
+        if ($config_store_id !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_id' . '}',
+                ObjectSerializer::toPathValue($config_store_id),
+                $resourcePath
+            );
+        }
+
+
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                ['application/json']
+            );
+        }
+
+        // for model (json/xml)
+        if (isset($bulk_update_config_store_list_request)) {
+            if ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($bulk_update_config_store_list_request));
+            } else {
+                $httpBody = $bulk_update_config_store_list_request;
+            }
+        } elseif (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+
+        // this endpoint requires API token authentication
+        $apiToken = $this->config->getApiTokenWithPrefix('Fastly-Key');
+        if ($apiToken !== null) {
+            $headers['Fastly-Key'] = $apiToken;
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'PATCH',
+            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation createConfigStoreItem
+     *
+     * Create an entry in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return \Fastly\Model\ConfigStoreItemResponse
+     */
+    public function createConfigStoreItem($options)
+    {
+        list($response) = $this->createConfigStoreItemWithHttpInfo($options);
+        return $response;
+    }
+
+    /**
+     * Operation createConfigStoreItemWithHttpInfo
+     *
+     * Create an entry in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of \Fastly\Model\ConfigStoreItemResponse, HTTP status code, HTTP response headers (array of strings)
+     */
+    public function createConfigStoreItemWithHttpInfo($options)
+    {
+        $request = $this->createConfigStoreItemRequest($options);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            if ('POST' != 'GET' && 'POST' != 'HEAD') {
+                $header = $response->getHeader('Fastly-RateLimit-Remaining');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitRemaining($header[0]);
+                }
+
+                $header = $response->getHeader('Fastly-RateLimit-Reset');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitReset($header[0]);
+                }
+            } 
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string) $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string) $response->getBody()
+                );
+            }
+
+            switch($statusCode) {
+                case 200:
+                    if ('\Fastly\Model\ConfigStoreItemResponse' === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Fastly\Model\ConfigStoreItemResponse', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+
+            $returnType = '\Fastly\Model\ConfigStoreItemResponse';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); //stream goes to serializer
+            } else {
+                $content = (string) $response->getBody();
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Fastly\Model\ConfigStoreItemResponse',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation createConfigStoreItemAsync
+     *
+     * Create an entry in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function createConfigStoreItemAsync($options)
+    {
+        return $this->createConfigStoreItemAsyncWithHttpInfo($options)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation createConfigStoreItemAsyncWithHttpInfo
+     *
+     * Create an entry in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function createConfigStoreItemAsyncWithHttpInfo($options)
+    {
+        $returnType = '\Fastly\Model\ConfigStoreItemResponse';
+        $request = $this->createConfigStoreItemRequest($options);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string) $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'createConfigStoreItem'
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function createConfigStoreItemRequest($options)
+    {
+        // unbox the parameters from the associative array
+        $config_store_id = array_key_exists('config_store_id', $options) ? $options['config_store_id'] : null;
+        $item_key = array_key_exists('item_key', $options) ? $options['item_key'] : null;
+        $item_value = array_key_exists('item_value', $options) ? $options['item_value'] : null;
+
+        // verify the required parameter 'config_store_id' is set
+        if ($config_store_id === null || (is_array($config_store_id) && count($config_store_id) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_id when calling createConfigStoreItem'
+            );
+        }
+
+        $resourcePath = '/resources/stores/config/{config_store_id}/item';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+
+
+        // path params
+        if ($config_store_id !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_id' . '}',
+                ObjectSerializer::toPathValue($config_store_id),
+                $resourcePath
+            );
+        }
+
+        // form params
+        if ($item_key !== null) {
+            $formParams['item_key'] = ObjectSerializer::toFormValue($item_key);
+        }
+        // form params
+        if ($item_value !== null) {
+            $formParams['item_value'] = ObjectSerializer::toFormValue($item_value);
+        }
+
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                ['application/x-www-form-urlencoded']
+            );
+        }
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+
+        // this endpoint requires API token authentication
+        $apiToken = $this->config->getApiTokenWithPrefix('Fastly-Key');
+        if ($apiToken !== null) {
+            $headers['Fastly-Key'] = $apiToken;
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'POST',
+            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation deleteConfigStoreItem
+     *
+     * Delete an item from a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return \Fastly\Model\InlineResponse200
+     */
+    public function deleteConfigStoreItem($options)
+    {
+        list($response) = $this->deleteConfigStoreItemWithHttpInfo($options);
+        return $response;
+    }
+
+    /**
+     * Operation deleteConfigStoreItemWithHttpInfo
+     *
+     * Delete an item from a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of \Fastly\Model\InlineResponse200, HTTP status code, HTTP response headers (array of strings)
+     */
+    public function deleteConfigStoreItemWithHttpInfo($options)
+    {
+        $request = $this->deleteConfigStoreItemRequest($options);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            if ('DELETE' != 'GET' && 'DELETE' != 'HEAD') {
+                $header = $response->getHeader('Fastly-RateLimit-Remaining');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitRemaining($header[0]);
+                }
+
+                $header = $response->getHeader('Fastly-RateLimit-Reset');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitReset($header[0]);
+                }
+            } 
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string) $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string) $response->getBody()
+                );
+            }
+
+            switch($statusCode) {
+                case 200:
+                    if ('\Fastly\Model\InlineResponse200' === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Fastly\Model\InlineResponse200', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+
+            $returnType = '\Fastly\Model\InlineResponse200';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); //stream goes to serializer
+            } else {
+                $content = (string) $response->getBody();
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Fastly\Model\InlineResponse200',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation deleteConfigStoreItemAsync
+     *
+     * Delete an item from a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function deleteConfigStoreItemAsync($options)
+    {
+        return $this->deleteConfigStoreItemAsyncWithHttpInfo($options)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation deleteConfigStoreItemAsyncWithHttpInfo
+     *
+     * Delete an item from a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function deleteConfigStoreItemAsyncWithHttpInfo($options)
+    {
+        $returnType = '\Fastly\Model\InlineResponse200';
+        $request = $this->deleteConfigStoreItemRequest($options);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string) $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'deleteConfigStoreItem'
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function deleteConfigStoreItemRequest($options)
+    {
+        // unbox the parameters from the associative array
+        $config_store_id = array_key_exists('config_store_id', $options) ? $options['config_store_id'] : null;
+        $config_store_item_key = array_key_exists('config_store_item_key', $options) ? $options['config_store_item_key'] : null;
+
+        // verify the required parameter 'config_store_id' is set
+        if ($config_store_id === null || (is_array($config_store_id) && count($config_store_id) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_id when calling deleteConfigStoreItem'
+            );
+        }
+        // verify the required parameter 'config_store_item_key' is set
+        if ($config_store_item_key === null || (is_array($config_store_item_key) && count($config_store_item_key) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_item_key when calling deleteConfigStoreItem'
+            );
+        }
+
+        $resourcePath = '/resources/stores/config/{config_store_id}/item/{config_store_item_key}';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+
+
+        // path params
+        if ($config_store_id !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_id' . '}',
+                ObjectSerializer::toPathValue($config_store_id),
+                $resourcePath
+            );
+        }
+        // path params
+        if ($config_store_item_key !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_item_key' . '}',
+                ObjectSerializer::toPathValue($config_store_item_key),
+                $resourcePath
+            );
+        }
+
+
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                []
+            );
+        }
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+
+        // this endpoint requires API token authentication
+        $apiToken = $this->config->getApiTokenWithPrefix('Fastly-Key');
+        if ($apiToken !== null) {
+            $headers['Fastly-Key'] = $apiToken;
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'DELETE',
+            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation getConfigStoreItem
+     *
+     * Get an item from a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return \Fastly\Model\ConfigStoreItemResponse
+     */
+    public function getConfigStoreItem($options)
+    {
+        list($response) = $this->getConfigStoreItemWithHttpInfo($options);
+        return $response;
+    }
+
+    /**
+     * Operation getConfigStoreItemWithHttpInfo
+     *
+     * Get an item from a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of \Fastly\Model\ConfigStoreItemResponse, HTTP status code, HTTP response headers (array of strings)
+     */
+    public function getConfigStoreItemWithHttpInfo($options)
+    {
+        $request = $this->getConfigStoreItemRequest($options);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            if ('GET' != 'GET' && 'GET' != 'HEAD') {
+                $header = $response->getHeader('Fastly-RateLimit-Remaining');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitRemaining($header[0]);
+                }
+
+                $header = $response->getHeader('Fastly-RateLimit-Reset');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitReset($header[0]);
+                }
+            } 
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string) $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string) $response->getBody()
+                );
+            }
+
+            switch($statusCode) {
+                case 200:
+                    if ('\Fastly\Model\ConfigStoreItemResponse' === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Fastly\Model\ConfigStoreItemResponse', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+
+            $returnType = '\Fastly\Model\ConfigStoreItemResponse';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); //stream goes to serializer
+            } else {
+                $content = (string) $response->getBody();
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Fastly\Model\ConfigStoreItemResponse',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation getConfigStoreItemAsync
+     *
+     * Get an item from a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function getConfigStoreItemAsync($options)
+    {
+        return $this->getConfigStoreItemAsyncWithHttpInfo($options)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation getConfigStoreItemAsyncWithHttpInfo
+     *
+     * Get an item from a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function getConfigStoreItemAsyncWithHttpInfo($options)
+    {
+        $returnType = '\Fastly\Model\ConfigStoreItemResponse';
+        $request = $this->getConfigStoreItemRequest($options);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string) $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'getConfigStoreItem'
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function getConfigStoreItemRequest($options)
+    {
+        // unbox the parameters from the associative array
+        $config_store_id = array_key_exists('config_store_id', $options) ? $options['config_store_id'] : null;
+        $config_store_item_key = array_key_exists('config_store_item_key', $options) ? $options['config_store_item_key'] : null;
+
+        // verify the required parameter 'config_store_id' is set
+        if ($config_store_id === null || (is_array($config_store_id) && count($config_store_id) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_id when calling getConfigStoreItem'
+            );
+        }
+        // verify the required parameter 'config_store_item_key' is set
+        if ($config_store_item_key === null || (is_array($config_store_item_key) && count($config_store_item_key) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_item_key when calling getConfigStoreItem'
+            );
+        }
+
+        $resourcePath = '/resources/stores/config/{config_store_id}/item/{config_store_item_key}';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+
+
+        // path params
+        if ($config_store_id !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_id' . '}',
+                ObjectSerializer::toPathValue($config_store_id),
+                $resourcePath
+            );
+        }
+        // path params
+        if ($config_store_item_key !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_item_key' . '}',
+                ObjectSerializer::toPathValue($config_store_item_key),
+                $resourcePath
+            );
+        }
+
+
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                []
+            );
+        }
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+
+        // this endpoint requires API token authentication
+        $apiToken = $this->config->getApiTokenWithPrefix('Fastly-Key');
+        if ($apiToken !== null) {
+            $headers['Fastly-Key'] = $apiToken;
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'GET',
+            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation listConfigStoreItems
+     *
+     * List items in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return \Fastly\Model\ConfigStoreItemResponse[]
+     */
+    public function listConfigStoreItems($options)
+    {
+        list($response) = $this->listConfigStoreItemsWithHttpInfo($options);
+        return $response;
+    }
+
+    /**
+     * Operation listConfigStoreItemsWithHttpInfo
+     *
+     * List items in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of \Fastly\Model\ConfigStoreItemResponse[], HTTP status code, HTTP response headers (array of strings)
+     */
+    public function listConfigStoreItemsWithHttpInfo($options)
+    {
+        $request = $this->listConfigStoreItemsRequest($options);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            if ('GET' != 'GET' && 'GET' != 'HEAD') {
+                $header = $response->getHeader('Fastly-RateLimit-Remaining');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitRemaining($header[0]);
+                }
+
+                $header = $response->getHeader('Fastly-RateLimit-Reset');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitReset($header[0]);
+                }
+            } 
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string) $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string) $response->getBody()
+                );
+            }
+
+            switch($statusCode) {
+                case 200:
+                    if ('\Fastly\Model\ConfigStoreItemResponse[]' === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Fastly\Model\ConfigStoreItemResponse[]', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+
+            $returnType = '\Fastly\Model\ConfigStoreItemResponse[]';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); //stream goes to serializer
+            } else {
+                $content = (string) $response->getBody();
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Fastly\Model\ConfigStoreItemResponse[]',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation listConfigStoreItemsAsync
+     *
+     * List items in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function listConfigStoreItemsAsync($options)
+    {
+        return $this->listConfigStoreItemsAsyncWithHttpInfo($options)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation listConfigStoreItemsAsyncWithHttpInfo
+     *
+     * List items in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function listConfigStoreItemsAsyncWithHttpInfo($options)
+    {
+        $returnType = '\Fastly\Model\ConfigStoreItemResponse[]';
+        $request = $this->listConfigStoreItemsRequest($options);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string) $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'listConfigStoreItems'
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function listConfigStoreItemsRequest($options)
+    {
+        // unbox the parameters from the associative array
+        $config_store_id = array_key_exists('config_store_id', $options) ? $options['config_store_id'] : null;
+
+        // verify the required parameter 'config_store_id' is set
+        if ($config_store_id === null || (is_array($config_store_id) && count($config_store_id) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_id when calling listConfigStoreItems'
+            );
+        }
+
+        $resourcePath = '/resources/stores/config/{config_store_id}/items';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+
+
+        // path params
+        if ($config_store_id !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_id' . '}',
+                ObjectSerializer::toPathValue($config_store_id),
+                $resourcePath
+            );
+        }
+
+
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                []
+            );
+        }
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+
+        // this endpoint requires API token authentication
+        $apiToken = $this->config->getApiTokenWithPrefix('Fastly-Key');
+        if ($apiToken !== null) {
+            $headers['Fastly-Key'] = $apiToken;
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'GET',
+            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation updateConfigStoreItem
+     *
+     * Update an entry in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return \Fastly\Model\ConfigStoreItemResponse
+     */
+    public function updateConfigStoreItem($options)
+    {
+        list($response) = $this->updateConfigStoreItemWithHttpInfo($options);
+        return $response;
+    }
+
+    /**
+     * Operation updateConfigStoreItemWithHttpInfo
+     *
+     * Update an entry in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of \Fastly\Model\ConfigStoreItemResponse, HTTP status code, HTTP response headers (array of strings)
+     */
+    public function updateConfigStoreItemWithHttpInfo($options)
+    {
+        $request = $this->updateConfigStoreItemRequest($options);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            if ('PATCH' != 'GET' && 'PATCH' != 'HEAD') {
+                $header = $response->getHeader('Fastly-RateLimit-Remaining');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitRemaining($header[0]);
+                }
+
+                $header = $response->getHeader('Fastly-RateLimit-Reset');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitReset($header[0]);
+                }
+            } 
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string) $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string) $response->getBody()
+                );
+            }
+
+            switch($statusCode) {
+                case 200:
+                    if ('\Fastly\Model\ConfigStoreItemResponse' === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Fastly\Model\ConfigStoreItemResponse', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+
+            $returnType = '\Fastly\Model\ConfigStoreItemResponse';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); //stream goes to serializer
+            } else {
+                $content = (string) $response->getBody();
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Fastly\Model\ConfigStoreItemResponse',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation updateConfigStoreItemAsync
+     *
+     * Update an entry in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function updateConfigStoreItemAsync($options)
+    {
+        return $this->updateConfigStoreItemAsyncWithHttpInfo($options)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation updateConfigStoreItemAsyncWithHttpInfo
+     *
+     * Update an entry in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function updateConfigStoreItemAsyncWithHttpInfo($options)
+    {
+        $returnType = '\Fastly\Model\ConfigStoreItemResponse';
+        $request = $this->updateConfigStoreItemRequest($options);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string) $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'updateConfigStoreItem'
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function updateConfigStoreItemRequest($options)
+    {
+        // unbox the parameters from the associative array
+        $config_store_id = array_key_exists('config_store_id', $options) ? $options['config_store_id'] : null;
+        $config_store_item_key = array_key_exists('config_store_item_key', $options) ? $options['config_store_item_key'] : null;
+        $item_key = array_key_exists('item_key', $options) ? $options['item_key'] : null;
+        $item_value = array_key_exists('item_value', $options) ? $options['item_value'] : null;
+
+        // verify the required parameter 'config_store_id' is set
+        if ($config_store_id === null || (is_array($config_store_id) && count($config_store_id) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_id when calling updateConfigStoreItem'
+            );
+        }
+        // verify the required parameter 'config_store_item_key' is set
+        if ($config_store_item_key === null || (is_array($config_store_item_key) && count($config_store_item_key) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_item_key when calling updateConfigStoreItem'
+            );
+        }
+
+        $resourcePath = '/resources/stores/config/{config_store_id}/item/{config_store_item_key}';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+
+
+        // path params
+        if ($config_store_id !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_id' . '}',
+                ObjectSerializer::toPathValue($config_store_id),
+                $resourcePath
+            );
+        }
+        // path params
+        if ($config_store_item_key !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_item_key' . '}',
+                ObjectSerializer::toPathValue($config_store_item_key),
+                $resourcePath
+            );
+        }
+
+        // form params
+        if ($item_key !== null) {
+            $formParams['item_key'] = ObjectSerializer::toFormValue($item_key);
+        }
+        // form params
+        if ($item_value !== null) {
+            $formParams['item_value'] = ObjectSerializer::toFormValue($item_value);
+        }
+
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                ['application/x-www-form-urlencoded']
+            );
+        }
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+
+        // this endpoint requires API token authentication
+        $apiToken = $this->config->getApiTokenWithPrefix('Fastly-Key');
+        if ($apiToken !== null) {
+            $headers['Fastly-Key'] = $apiToken;
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'PATCH',
+            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation upsertConfigStoreItem
+     *
+     * Insert or update an entry in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return \Fastly\Model\ConfigStoreItemResponse
+     */
+    public function upsertConfigStoreItem($options)
+    {
+        list($response) = $this->upsertConfigStoreItemWithHttpInfo($options);
+        return $response;
+    }
+
+    /**
+     * Operation upsertConfigStoreItemWithHttpInfo
+     *
+     * Insert or update an entry in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \Fastly\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of \Fastly\Model\ConfigStoreItemResponse, HTTP status code, HTTP response headers (array of strings)
+     */
+    public function upsertConfigStoreItemWithHttpInfo($options)
+    {
+        $request = $this->upsertConfigStoreItemRequest($options);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int) $e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            if ('PUT' != 'GET' && 'PUT' != 'HEAD') {
+                $header = $response->getHeader('Fastly-RateLimit-Remaining');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitRemaining($header[0]);
+                }
+
+                $header = $response->getHeader('Fastly-RateLimit-Reset');
+                if (count($header) > 0) {
+                  $this->config->setRateLimitReset($header[0]);
+                }
+            } 
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string) $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string) $response->getBody()
+                );
+            }
+
+            switch($statusCode) {
+                case 200:
+                    if ('\Fastly\Model\ConfigStoreItemResponse' === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Fastly\Model\ConfigStoreItemResponse', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+
+            $returnType = '\Fastly\Model\ConfigStoreItemResponse';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); //stream goes to serializer
+            } else {
+                $content = (string) $response->getBody();
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Fastly\Model\ConfigStoreItemResponse',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation upsertConfigStoreItemAsync
+     *
+     * Insert or update an entry in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function upsertConfigStoreItemAsync($options)
+    {
+        return $this->upsertConfigStoreItemAsyncWithHttpInfo($options)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation upsertConfigStoreItemAsyncWithHttpInfo
+     *
+     * Insert or update an entry in a config store
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function upsertConfigStoreItemAsyncWithHttpInfo($options)
+    {
+        $returnType = '\Fastly\Model\ConfigStoreItemResponse';
+        $request = $this->upsertConfigStoreItemRequest($options);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); //stream goes to serializer
+                    } else {
+                        $content = (string) $response->getBody();
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string) $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'upsertConfigStoreItem'
+     *
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+     * @param  string $config_store_id An alphanumeric string identifying the config store. (required)
+     * @param  string $config_store_item_key Item key, maximum 256 characters. (required)
+     * @param  string $item_key Item key, maximum 256 characters. (optional)
+     * @param  string $item_value Item value, maximum 8000 characters. (optional)
+     *
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function upsertConfigStoreItemRequest($options)
+    {
+        // unbox the parameters from the associative array
+        $config_store_id = array_key_exists('config_store_id', $options) ? $options['config_store_id'] : null;
+        $config_store_item_key = array_key_exists('config_store_item_key', $options) ? $options['config_store_item_key'] : null;
+        $item_key = array_key_exists('item_key', $options) ? $options['item_key'] : null;
+        $item_value = array_key_exists('item_value', $options) ? $options['item_value'] : null;
+
+        // verify the required parameter 'config_store_id' is set
+        if ($config_store_id === null || (is_array($config_store_id) && count($config_store_id) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_id when calling upsertConfigStoreItem'
+            );
+        }
+        // verify the required parameter 'config_store_item_key' is set
+        if ($config_store_item_key === null || (is_array($config_store_item_key) && count($config_store_item_key) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $config_store_item_key when calling upsertConfigStoreItem'
+            );
+        }
+
+        $resourcePath = '/resources/stores/config/{config_store_id}/item/{config_store_item_key}';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+
+
+        // path params
+        if ($config_store_id !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_id' . '}',
+                ObjectSerializer::toPathValue($config_store_id),
+                $resourcePath
+            );
+        }
+        // path params
+        if ($config_store_item_key !== null) {
+            $resourcePath = str_replace(
+                '{' . 'config_store_item_key' . '}',
+                ObjectSerializer::toPathValue($config_store_item_key),
+                $resourcePath
+            );
+        }
+
+        // form params
+        if ($item_key !== null) {
+            $formParams['item_key'] = ObjectSerializer::toFormValue($item_key);
+        }
+        // form params
+        if ($item_value !== null) {
+            $formParams['item_value'] = ObjectSerializer::toFormValue($item_value);
+        }
+
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                ['application/x-www-form-urlencoded']
+            );
+        }
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+
+        // this endpoint requires API token authentication
+        $apiToken = $this->config->getApiTokenWithPrefix('Fastly-Key');
+        if ($apiToken !== null) {
+            $headers['Fastly-Key'] = $apiToken;
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'PUT',
+            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Create http client option
+     *
+     * @throws \RuntimeException on file opening failure
+     * @return array of http client options
+     */
+    protected function createHttpClientOption()
+    {
+        $options = [];
+        if ($this->config->getDebug()) {
+            $options[RequestOptions::DEBUG] = fopen($this->config->getDebugFile(), 'a');
+            if (!$options[RequestOptions::DEBUG]) {
+                throw new \RuntimeException('Failed to open the debug file: ' . $this->config->getDebugFile());
+            }
+        }
+
+        return $options;
+    }
+}
diff --git a/lib/Configuration.php b/lib/Configuration.php
index 907bf6ff..8ba73fc8 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -89,7 +89,7 @@ class Configuration
      *
      * @var string
      */
-    protected $userAgent = 'fastly-php/2.0.0';
+    protected $userAgent = 'fastly-php/2.1.0';
 
     /**
      * Debug switch (default set to false)
@@ -453,7 +453,7 @@ public static function toDebugReport()
         $report .= '    OS: ' . php_uname() . PHP_EOL;
         $report .= '    PHP Version: ' . PHP_VERSION . PHP_EOL;
         $report .= '    The version of the schema document: 1.0.0' . PHP_EOL;
-        $report .= '    SDK Package Version: 2.0.0' . PHP_EOL;
+        $report .= '    SDK Package Version: 2.1.0' . PHP_EOL;
         $report .= '    Temp Folder Path: ' . self::getDefaultConfiguration()->getTempFolderPath() . PHP_EOL;
 
         return $report;
diff --git a/lib/Model/BulkUpdateConfigStoreItem.php b/lib/Model/BulkUpdateConfigStoreItem.php
new file mode 100644
index 00000000..ee597a4d
--- /dev/null
+++ b/lib/Model/BulkUpdateConfigStoreItem.php
@@ -0,0 +1,412 @@
+<?php
+/**
+ * BulkUpdateConfigStoreItem
+ *
+ * PHP version 7.3
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ */
+
+/**
+ * Fastly API
+ *
+ * A PHP client library for interacting with most facets of the Fastly API.
+ *
+ */
+
+/**
+ * NOTE: This class is auto generated.
+ * Do not edit the class manually.
+ */
+
+namespace Fastly\Model;
+
+use \ArrayAccess;
+use \Fastly\ObjectSerializer;
+
+/**
+ * BulkUpdateConfigStoreItem Class Doc Comment
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ * @implements \ArrayAccess<TKey, TValue>
+ * @template TKey int|null
+ * @template TValue mixed|null
+ */
+class BulkUpdateConfigStoreItem implements ModelInterface, ArrayAccess, \JsonSerializable
+{
+    public const DISCRIMINATOR = null;
+
+    /**
+      * The original name of the model.
+      *
+      * @var string
+      */
+    protected static $fastlyModelName = 'bulk_update_config_store_item';
+
+    /**
+      * Array of property to type mappings. Used for (de)serialization
+      *
+      * @var string[]
+      */
+    protected static $fastlyTypes = [
+        'item_key' => 'string',
+        'item_value' => 'string',
+        'op' => 'string'
+    ];
+
+    /**
+      * Array of property to format mappings. Used for (de)serialization
+      *
+      * @var string[]
+      * @phpstan-var array<string, string|null>
+      * @psalm-var array<string, string|null>
+      */
+    protected static $fastlyFormats = [
+        'item_key' => null,
+        'item_value' => null,
+        'op' => null
+    ];
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyTypes()
+    {
+        return self::$fastlyTypes;
+    }
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyFormats()
+    {
+        return self::$fastlyFormats;
+    }
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @var string[]
+     */
+    protected static $attributeMap = [
+        'item_key' => 'item_key',
+        'item_value' => 'item_value',
+        'op' => 'op'
+    ];
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @var string[]
+     */
+    protected static $setters = [
+        'item_key' => 'setItemKey',
+        'item_value' => 'setItemValue',
+        'op' => 'setOp'
+    ];
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @var string[]
+     */
+    protected static $getters = [
+        'item_key' => 'getItemKey',
+        'item_value' => 'getItemValue',
+        'op' => 'getOp'
+    ];
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @return array
+     */
+    public static function attributeMap()
+    {
+        return self::$attributeMap;
+    }
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @return array
+     */
+    public static function setters()
+    {
+        return self::$setters;
+    }
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @return array
+     */
+    public static function getters()
+    {
+        return self::$getters;
+    }
+
+    /**
+     * The original name of the model.
+     *
+     * @return string
+     */
+    public function getModelName()
+    {
+        return self::$fastlyModelName;
+    }
+
+    const OP_CREATE = 'create';
+    const OP_UPDATE = 'update';
+    const OP_DELETE = 'delete';
+    const OP_UPSERT = 'upsert';
+
+    /**
+     * Gets allowable values of the enum
+     *
+     * @return string[]
+     */
+    public function getOpAllowableValues()
+    {
+        return [
+            self::OP_CREATE,
+            self::OP_UPDATE,
+            self::OP_DELETE,
+            self::OP_UPSERT,
+        ];
+    }
+
+    /**
+     * Associative array for storing property values
+     *
+     * @var mixed[]
+     */
+    protected $container = [];
+
+    /**
+     * Constructor
+     *
+     * @param mixed[] $data Associated array of property values
+     *                      initializing the model
+     */
+    public function __construct(array $data = null)
+    {
+        $this->container['item_key'] = $data['item_key'] ?? null;
+        $this->container['item_value'] = $data['item_value'] ?? null;
+        $this->container['op'] = $data['op'] ?? null;
+    }
+
+    /**
+     * Show all the invalid properties with reasons.
+     *
+     * @return array invalid properties with reasons
+     */
+    public function listInvalidProperties()
+    {
+        $invalidProperties = [];
+
+        $allowedValues = $this->getOpAllowableValues();
+        if (!is_null($this->container['op']) && !in_array($this->container['op'], $allowedValues, true)) {
+            $invalidProperties[] = sprintf(
+                "invalid value '%s' for 'op', must be one of '%s'",
+                $this->container['op'],
+                implode("', '", $allowedValues)
+            );
+        }
+
+        return $invalidProperties;
+    }
+
+    /**
+     * Validate all the properties in the model
+     * return true if all passed
+     *
+     * @return bool True if all properties are valid
+     */
+    public function valid()
+    {
+        return count($this->listInvalidProperties()) === 0;
+    }
+
+
+    /**
+     * Gets item_key
+     *
+     * @return string|null
+     */
+    public function getItemKey()
+    {
+        return $this->container['item_key'];
+    }
+
+    /**
+     * Sets item_key
+     *
+     * @param string|null $item_key Item key, maximum 256 characters.
+     *
+     * @return self
+     */
+    public function setItemKey($item_key)
+    {
+        $this->container['item_key'] = $item_key;
+
+        return $this;
+    }
+
+    /**
+     * Gets item_value
+     *
+     * @return string|null
+     */
+    public function getItemValue()
+    {
+        return $this->container['item_value'];
+    }
+
+    /**
+     * Sets item_value
+     *
+     * @param string|null $item_value Item value, maximum 8000 characters.
+     *
+     * @return self
+     */
+    public function setItemValue($item_value)
+    {
+        $this->container['item_value'] = $item_value;
+
+        return $this;
+    }
+
+    /**
+     * Gets op
+     *
+     * @return string|null
+     */
+    public function getOp()
+    {
+        return $this->container['op'];
+    }
+
+    /**
+     * Sets op
+     *
+     * @param string|null $op op
+     *
+     * @return self
+     */
+    public function setOp($op)
+    {
+        $allowedValues = $this->getOpAllowableValues();
+        if (!is_null($op) && !in_array($op, $allowedValues, true)) {
+            throw new \InvalidArgumentException(
+                sprintf(
+                    "Invalid value '%s' for 'op', must be one of '%s'",
+                    $op,
+                    implode("', '", $allowedValues)
+                )
+            );
+        }
+        $this->container['op'] = $op;
+
+        return $this;
+    }
+    /**
+     * Returns true if offset exists. False otherwise.
+     *
+     * @param integer $offset Offset
+     *
+     * @return boolean
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * Gets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return mixed|null
+     */
+    public function offsetGet($offset)
+    {
+        return $this->container[$offset] ?? null;
+    }
+
+    /**
+     * Sets value based on offset.
+     *
+     * @param int|null $offset Offset
+     * @param mixed    $value  Value to be set
+     *
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * Unsets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * Serializes the object to a value that can be serialized natively by json_encode().
+     * @link https://www.php.net/manual/en/jsonserializable.jsonserialize.php
+     *
+     * @return mixed Returns data which can be serialized by json_encode(), which is a value
+     * of any type other than a resource.
+     */
+    public function jsonSerialize()
+    {
+       return ObjectSerializer::sanitizeForSerialization($this);
+    }
+
+    /**
+     * Gets the string presentation of the object
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return json_encode(
+            ObjectSerializer::sanitizeForSerialization($this),
+            JSON_PRETTY_PRINT
+        );
+    }
+
+    /**
+     * Gets a header-safe presentation of the object
+     *
+     * @return string
+     */
+    public function toHeaderValue()
+    {
+        return json_encode(ObjectSerializer::sanitizeForSerialization($this));
+    }
+}
+
+
diff --git a/lib/Model/BulkUpdateDictionaryItemAllOf.php b/lib/Model/BulkUpdateConfigStoreItemAllOf.php
similarity index 96%
rename from lib/Model/BulkUpdateDictionaryItemAllOf.php
rename to lib/Model/BulkUpdateConfigStoreItemAllOf.php
index 89145919..b8019e28 100644
--- a/lib/Model/BulkUpdateDictionaryItemAllOf.php
+++ b/lib/Model/BulkUpdateConfigStoreItemAllOf.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * BulkUpdateDictionaryItemAllOf
+ * BulkUpdateConfigStoreItemAllOf
  *
  * PHP version 7.3
  *
@@ -27,7 +27,7 @@
 use \Fastly\ObjectSerializer;
 
 /**
- * BulkUpdateDictionaryItemAllOf Class Doc Comment
+ * BulkUpdateConfigStoreItemAllOf Class Doc Comment
  *
  * @category Class
  * @package  Fastly
@@ -36,7 +36,7 @@
  * @template TKey int|null
  * @template TValue mixed|null
  */
-class BulkUpdateDictionaryItemAllOf implements ModelInterface, ArrayAccess, \JsonSerializable
+class BulkUpdateConfigStoreItemAllOf implements ModelInterface, ArrayAccess, \JsonSerializable
 {
     public const DISCRIMINATOR = null;
 
@@ -45,7 +45,7 @@ class BulkUpdateDictionaryItemAllOf implements ModelInterface, ArrayAccess, \Jso
       *
       * @var string
       */
-    protected static $fastlyModelName = 'bulk_update_dictionary_item_allOf';
+    protected static $fastlyModelName = 'bulk_update_config_store_item_allOf';
 
     /**
       * Array of property to type mappings. Used for (de)serialization
diff --git a/lib/Model/BulkUpdateConfigStoreListRequest.php b/lib/Model/BulkUpdateConfigStoreListRequest.php
new file mode 100644
index 00000000..13f1a313
--- /dev/null
+++ b/lib/Model/BulkUpdateConfigStoreListRequest.php
@@ -0,0 +1,314 @@
+<?php
+/**
+ * BulkUpdateConfigStoreListRequest
+ *
+ * PHP version 7.3
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ */
+
+/**
+ * Fastly API
+ *
+ * A PHP client library for interacting with most facets of the Fastly API.
+ *
+ */
+
+/**
+ * NOTE: This class is auto generated.
+ * Do not edit the class manually.
+ */
+
+namespace Fastly\Model;
+
+use \ArrayAccess;
+use \Fastly\ObjectSerializer;
+
+/**
+ * BulkUpdateConfigStoreListRequest Class Doc Comment
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ * @implements \ArrayAccess<TKey, TValue>
+ * @template TKey int|null
+ * @template TValue mixed|null
+ */
+class BulkUpdateConfigStoreListRequest implements ModelInterface, ArrayAccess, \JsonSerializable
+{
+    public const DISCRIMINATOR = null;
+
+    /**
+      * The original name of the model.
+      *
+      * @var string
+      */
+    protected static $fastlyModelName = 'bulk_update_config_store_list_request';
+
+    /**
+      * Array of property to type mappings. Used for (de)serialization
+      *
+      * @var string[]
+      */
+    protected static $fastlyTypes = [
+        'items' => '\Fastly\Model\BulkUpdateConfigStoreItem[]'
+    ];
+
+    /**
+      * Array of property to format mappings. Used for (de)serialization
+      *
+      * @var string[]
+      * @phpstan-var array<string, string|null>
+      * @psalm-var array<string, string|null>
+      */
+    protected static $fastlyFormats = [
+        'items' => null
+    ];
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyTypes()
+    {
+        return self::$fastlyTypes;
+    }
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyFormats()
+    {
+        return self::$fastlyFormats;
+    }
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @var string[]
+     */
+    protected static $attributeMap = [
+        'items' => 'items'
+    ];
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @var string[]
+     */
+    protected static $setters = [
+        'items' => 'setItems'
+    ];
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @var string[]
+     */
+    protected static $getters = [
+        'items' => 'getItems'
+    ];
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @return array
+     */
+    public static function attributeMap()
+    {
+        return self::$attributeMap;
+    }
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @return array
+     */
+    public static function setters()
+    {
+        return self::$setters;
+    }
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @return array
+     */
+    public static function getters()
+    {
+        return self::$getters;
+    }
+
+    /**
+     * The original name of the model.
+     *
+     * @return string
+     */
+    public function getModelName()
+    {
+        return self::$fastlyModelName;
+    }
+
+
+    /**
+     * Associative array for storing property values
+     *
+     * @var mixed[]
+     */
+    protected $container = [];
+
+    /**
+     * Constructor
+     *
+     * @param mixed[] $data Associated array of property values
+     *                      initializing the model
+     */
+    public function __construct(array $data = null)
+    {
+        $this->container['items'] = $data['items'] ?? null;
+    }
+
+    /**
+     * Show all the invalid properties with reasons.
+     *
+     * @return array invalid properties with reasons
+     */
+    public function listInvalidProperties()
+    {
+        $invalidProperties = [];
+
+        return $invalidProperties;
+    }
+
+    /**
+     * Validate all the properties in the model
+     * return true if all passed
+     *
+     * @return bool True if all properties are valid
+     */
+    public function valid()
+    {
+        return count($this->listInvalidProperties()) === 0;
+    }
+
+
+    /**
+     * Gets items
+     *
+     * @return \Fastly\Model\BulkUpdateConfigStoreItem[]|null
+     */
+    public function getItems()
+    {
+        return $this->container['items'];
+    }
+
+    /**
+     * Sets items
+     *
+     * @param \Fastly\Model\BulkUpdateConfigStoreItem[]|null $items items
+     *
+     * @return self
+     */
+    public function setItems($items)
+    {
+        $this->container['items'] = $items;
+
+        return $this;
+    }
+    /**
+     * Returns true if offset exists. False otherwise.
+     *
+     * @param integer $offset Offset
+     *
+     * @return boolean
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * Gets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return mixed|null
+     */
+    public function offsetGet($offset)
+    {
+        return $this->container[$offset] ?? null;
+    }
+
+    /**
+     * Sets value based on offset.
+     *
+     * @param int|null $offset Offset
+     * @param mixed    $value  Value to be set
+     *
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * Unsets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * Serializes the object to a value that can be serialized natively by json_encode().
+     * @link https://www.php.net/manual/en/jsonserializable.jsonserialize.php
+     *
+     * @return mixed Returns data which can be serialized by json_encode(), which is a value
+     * of any type other than a resource.
+     */
+    public function jsonSerialize()
+    {
+       return ObjectSerializer::sanitizeForSerialization($this);
+    }
+
+    /**
+     * Gets the string presentation of the object
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return json_encode(
+            ObjectSerializer::sanitizeForSerialization($this),
+            JSON_PRETTY_PRINT
+        );
+    }
+
+    /**
+     * Gets a header-safe presentation of the object
+     *
+     * @return string
+     */
+    public function toHeaderValue()
+    {
+        return json_encode(ObjectSerializer::sanitizeForSerialization($this));
+    }
+}
+
+
diff --git a/lib/Model/ConfigStore.php b/lib/Model/ConfigStore.php
new file mode 100644
index 00000000..7f79dd81
--- /dev/null
+++ b/lib/Model/ConfigStore.php
@@ -0,0 +1,314 @@
+<?php
+/**
+ * ConfigStore
+ *
+ * PHP version 7.3
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ */
+
+/**
+ * Fastly API
+ *
+ * A PHP client library for interacting with most facets of the Fastly API.
+ *
+ */
+
+/**
+ * NOTE: This class is auto generated.
+ * Do not edit the class manually.
+ */
+
+namespace Fastly\Model;
+
+use \ArrayAccess;
+use \Fastly\ObjectSerializer;
+
+/**
+ * ConfigStore Class Doc Comment
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ * @implements \ArrayAccess<TKey, TValue>
+ * @template TKey int|null
+ * @template TValue mixed|null
+ */
+class ConfigStore implements ModelInterface, ArrayAccess, \JsonSerializable
+{
+    public const DISCRIMINATOR = null;
+
+    /**
+      * The original name of the model.
+      *
+      * @var string
+      */
+    protected static $fastlyModelName = 'config_store';
+
+    /**
+      * Array of property to type mappings. Used for (de)serialization
+      *
+      * @var string[]
+      */
+    protected static $fastlyTypes = [
+        'name' => 'string'
+    ];
+
+    /**
+      * Array of property to format mappings. Used for (de)serialization
+      *
+      * @var string[]
+      * @phpstan-var array<string, string|null>
+      * @psalm-var array<string, string|null>
+      */
+    protected static $fastlyFormats = [
+        'name' => null
+    ];
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyTypes()
+    {
+        return self::$fastlyTypes;
+    }
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyFormats()
+    {
+        return self::$fastlyFormats;
+    }
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @var string[]
+     */
+    protected static $attributeMap = [
+        'name' => 'name'
+    ];
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @var string[]
+     */
+    protected static $setters = [
+        'name' => 'setName'
+    ];
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @var string[]
+     */
+    protected static $getters = [
+        'name' => 'getName'
+    ];
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @return array
+     */
+    public static function attributeMap()
+    {
+        return self::$attributeMap;
+    }
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @return array
+     */
+    public static function setters()
+    {
+        return self::$setters;
+    }
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @return array
+     */
+    public static function getters()
+    {
+        return self::$getters;
+    }
+
+    /**
+     * The original name of the model.
+     *
+     * @return string
+     */
+    public function getModelName()
+    {
+        return self::$fastlyModelName;
+    }
+
+
+    /**
+     * Associative array for storing property values
+     *
+     * @var mixed[]
+     */
+    protected $container = [];
+
+    /**
+     * Constructor
+     *
+     * @param mixed[] $data Associated array of property values
+     *                      initializing the model
+     */
+    public function __construct(array $data = null)
+    {
+        $this->container['name'] = $data['name'] ?? null;
+    }
+
+    /**
+     * Show all the invalid properties with reasons.
+     *
+     * @return array invalid properties with reasons
+     */
+    public function listInvalidProperties()
+    {
+        $invalidProperties = [];
+
+        return $invalidProperties;
+    }
+
+    /**
+     * Validate all the properties in the model
+     * return true if all passed
+     *
+     * @return bool True if all properties are valid
+     */
+    public function valid()
+    {
+        return count($this->listInvalidProperties()) === 0;
+    }
+
+
+    /**
+     * Gets name
+     *
+     * @return string|null
+     */
+    public function getName()
+    {
+        return $this->container['name'];
+    }
+
+    /**
+     * Sets name
+     *
+     * @param string|null $name The name of the config store.
+     *
+     * @return self
+     */
+    public function setName($name)
+    {
+        $this->container['name'] = $name;
+
+        return $this;
+    }
+    /**
+     * Returns true if offset exists. False otherwise.
+     *
+     * @param integer $offset Offset
+     *
+     * @return boolean
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * Gets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return mixed|null
+     */
+    public function offsetGet($offset)
+    {
+        return $this->container[$offset] ?? null;
+    }
+
+    /**
+     * Sets value based on offset.
+     *
+     * @param int|null $offset Offset
+     * @param mixed    $value  Value to be set
+     *
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * Unsets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * Serializes the object to a value that can be serialized natively by json_encode().
+     * @link https://www.php.net/manual/en/jsonserializable.jsonserialize.php
+     *
+     * @return mixed Returns data which can be serialized by json_encode(), which is a value
+     * of any type other than a resource.
+     */
+    public function jsonSerialize()
+    {
+       return ObjectSerializer::sanitizeForSerialization($this);
+    }
+
+    /**
+     * Gets the string presentation of the object
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return json_encode(
+            ObjectSerializer::sanitizeForSerialization($this),
+            JSON_PRETTY_PRINT
+        );
+    }
+
+    /**
+     * Gets a header-safe presentation of the object
+     *
+     * @return string
+     */
+    public function toHeaderValue()
+    {
+        return json_encode(ObjectSerializer::sanitizeForSerialization($this));
+    }
+}
+
+
diff --git a/lib/Model/ConfigStoreInfoResponse.php b/lib/Model/ConfigStoreInfoResponse.php
new file mode 100644
index 00000000..4dacf2a2
--- /dev/null
+++ b/lib/Model/ConfigStoreInfoResponse.php
@@ -0,0 +1,314 @@
+<?php
+/**
+ * ConfigStoreInfoResponse
+ *
+ * PHP version 7.3
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ */
+
+/**
+ * Fastly API
+ *
+ * A PHP client library for interacting with most facets of the Fastly API.
+ *
+ */
+
+/**
+ * NOTE: This class is auto generated.
+ * Do not edit the class manually.
+ */
+
+namespace Fastly\Model;
+
+use \ArrayAccess;
+use \Fastly\ObjectSerializer;
+
+/**
+ * ConfigStoreInfoResponse Class Doc Comment
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ * @implements \ArrayAccess<TKey, TValue>
+ * @template TKey int|null
+ * @template TValue mixed|null
+ */
+class ConfigStoreInfoResponse implements ModelInterface, ArrayAccess, \JsonSerializable
+{
+    public const DISCRIMINATOR = null;
+
+    /**
+      * The original name of the model.
+      *
+      * @var string
+      */
+    protected static $fastlyModelName = 'config_store_info_response';
+
+    /**
+      * Array of property to type mappings. Used for (de)serialization
+      *
+      * @var string[]
+      */
+    protected static $fastlyTypes = [
+        'item_count' => 'int'
+    ];
+
+    /**
+      * Array of property to format mappings. Used for (de)serialization
+      *
+      * @var string[]
+      * @phpstan-var array<string, string|null>
+      * @psalm-var array<string, string|null>
+      */
+    protected static $fastlyFormats = [
+        'item_count' => null
+    ];
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyTypes()
+    {
+        return self::$fastlyTypes;
+    }
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyFormats()
+    {
+        return self::$fastlyFormats;
+    }
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @var string[]
+     */
+    protected static $attributeMap = [
+        'item_count' => 'item_count'
+    ];
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @var string[]
+     */
+    protected static $setters = [
+        'item_count' => 'setItemCount'
+    ];
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @var string[]
+     */
+    protected static $getters = [
+        'item_count' => 'getItemCount'
+    ];
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @return array
+     */
+    public static function attributeMap()
+    {
+        return self::$attributeMap;
+    }
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @return array
+     */
+    public static function setters()
+    {
+        return self::$setters;
+    }
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @return array
+     */
+    public static function getters()
+    {
+        return self::$getters;
+    }
+
+    /**
+     * The original name of the model.
+     *
+     * @return string
+     */
+    public function getModelName()
+    {
+        return self::$fastlyModelName;
+    }
+
+
+    /**
+     * Associative array for storing property values
+     *
+     * @var mixed[]
+     */
+    protected $container = [];
+
+    /**
+     * Constructor
+     *
+     * @param mixed[] $data Associated array of property values
+     *                      initializing the model
+     */
+    public function __construct(array $data = null)
+    {
+        $this->container['item_count'] = $data['item_count'] ?? null;
+    }
+
+    /**
+     * Show all the invalid properties with reasons.
+     *
+     * @return array invalid properties with reasons
+     */
+    public function listInvalidProperties()
+    {
+        $invalidProperties = [];
+
+        return $invalidProperties;
+    }
+
+    /**
+     * Validate all the properties in the model
+     * return true if all passed
+     *
+     * @return bool True if all properties are valid
+     */
+    public function valid()
+    {
+        return count($this->listInvalidProperties()) === 0;
+    }
+
+
+    /**
+     * Gets item_count
+     *
+     * @return int|null
+     */
+    public function getItemCount()
+    {
+        return $this->container['item_count'];
+    }
+
+    /**
+     * Sets item_count
+     *
+     * @param int|null $item_count The number of items currently in the config store.
+     *
+     * @return self
+     */
+    public function setItemCount($item_count)
+    {
+        $this->container['item_count'] = $item_count;
+
+        return $this;
+    }
+    /**
+     * Returns true if offset exists. False otherwise.
+     *
+     * @param integer $offset Offset
+     *
+     * @return boolean
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * Gets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return mixed|null
+     */
+    public function offsetGet($offset)
+    {
+        return $this->container[$offset] ?? null;
+    }
+
+    /**
+     * Sets value based on offset.
+     *
+     * @param int|null $offset Offset
+     * @param mixed    $value  Value to be set
+     *
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * Unsets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * Serializes the object to a value that can be serialized natively by json_encode().
+     * @link https://www.php.net/manual/en/jsonserializable.jsonserialize.php
+     *
+     * @return mixed Returns data which can be serialized by json_encode(), which is a value
+     * of any type other than a resource.
+     */
+    public function jsonSerialize()
+    {
+       return ObjectSerializer::sanitizeForSerialization($this);
+    }
+
+    /**
+     * Gets the string presentation of the object
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return json_encode(
+            ObjectSerializer::sanitizeForSerialization($this),
+            JSON_PRETTY_PRINT
+        );
+    }
+
+    /**
+     * Gets a header-safe presentation of the object
+     *
+     * @return string
+     */
+    public function toHeaderValue()
+    {
+        return json_encode(ObjectSerializer::sanitizeForSerialization($this));
+    }
+}
+
+
diff --git a/lib/Model/ConfigStoreItem.php b/lib/Model/ConfigStoreItem.php
new file mode 100644
index 00000000..ff49b242
--- /dev/null
+++ b/lib/Model/ConfigStoreItem.php
@@ -0,0 +1,344 @@
+<?php
+/**
+ * ConfigStoreItem
+ *
+ * PHP version 7.3
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ */
+
+/**
+ * Fastly API
+ *
+ * A PHP client library for interacting with most facets of the Fastly API.
+ *
+ */
+
+/**
+ * NOTE: This class is auto generated.
+ * Do not edit the class manually.
+ */
+
+namespace Fastly\Model;
+
+use \ArrayAccess;
+use \Fastly\ObjectSerializer;
+
+/**
+ * ConfigStoreItem Class Doc Comment
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ * @implements \ArrayAccess<TKey, TValue>
+ * @template TKey int|null
+ * @template TValue mixed|null
+ */
+class ConfigStoreItem implements ModelInterface, ArrayAccess, \JsonSerializable
+{
+    public const DISCRIMINATOR = null;
+
+    /**
+      * The original name of the model.
+      *
+      * @var string
+      */
+    protected static $fastlyModelName = 'config_store_item';
+
+    /**
+      * Array of property to type mappings. Used for (de)serialization
+      *
+      * @var string[]
+      */
+    protected static $fastlyTypes = [
+        'item_key' => 'string',
+        'item_value' => 'string'
+    ];
+
+    /**
+      * Array of property to format mappings. Used for (de)serialization
+      *
+      * @var string[]
+      * @phpstan-var array<string, string|null>
+      * @psalm-var array<string, string|null>
+      */
+    protected static $fastlyFormats = [
+        'item_key' => null,
+        'item_value' => null
+    ];
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyTypes()
+    {
+        return self::$fastlyTypes;
+    }
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyFormats()
+    {
+        return self::$fastlyFormats;
+    }
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @var string[]
+     */
+    protected static $attributeMap = [
+        'item_key' => 'item_key',
+        'item_value' => 'item_value'
+    ];
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @var string[]
+     */
+    protected static $setters = [
+        'item_key' => 'setItemKey',
+        'item_value' => 'setItemValue'
+    ];
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @var string[]
+     */
+    protected static $getters = [
+        'item_key' => 'getItemKey',
+        'item_value' => 'getItemValue'
+    ];
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @return array
+     */
+    public static function attributeMap()
+    {
+        return self::$attributeMap;
+    }
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @return array
+     */
+    public static function setters()
+    {
+        return self::$setters;
+    }
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @return array
+     */
+    public static function getters()
+    {
+        return self::$getters;
+    }
+
+    /**
+     * The original name of the model.
+     *
+     * @return string
+     */
+    public function getModelName()
+    {
+        return self::$fastlyModelName;
+    }
+
+
+    /**
+     * Associative array for storing property values
+     *
+     * @var mixed[]
+     */
+    protected $container = [];
+
+    /**
+     * Constructor
+     *
+     * @param mixed[] $data Associated array of property values
+     *                      initializing the model
+     */
+    public function __construct(array $data = null)
+    {
+        $this->container['item_key'] = $data['item_key'] ?? null;
+        $this->container['item_value'] = $data['item_value'] ?? null;
+    }
+
+    /**
+     * Show all the invalid properties with reasons.
+     *
+     * @return array invalid properties with reasons
+     */
+    public function listInvalidProperties()
+    {
+        $invalidProperties = [];
+
+        return $invalidProperties;
+    }
+
+    /**
+     * Validate all the properties in the model
+     * return true if all passed
+     *
+     * @return bool True if all properties are valid
+     */
+    public function valid()
+    {
+        return count($this->listInvalidProperties()) === 0;
+    }
+
+
+    /**
+     * Gets item_key
+     *
+     * @return string|null
+     */
+    public function getItemKey()
+    {
+        return $this->container['item_key'];
+    }
+
+    /**
+     * Sets item_key
+     *
+     * @param string|null $item_key Item key, maximum 256 characters.
+     *
+     * @return self
+     */
+    public function setItemKey($item_key)
+    {
+        $this->container['item_key'] = $item_key;
+
+        return $this;
+    }
+
+    /**
+     * Gets item_value
+     *
+     * @return string|null
+     */
+    public function getItemValue()
+    {
+        return $this->container['item_value'];
+    }
+
+    /**
+     * Sets item_value
+     *
+     * @param string|null $item_value Item value, maximum 8000 characters.
+     *
+     * @return self
+     */
+    public function setItemValue($item_value)
+    {
+        $this->container['item_value'] = $item_value;
+
+        return $this;
+    }
+    /**
+     * Returns true if offset exists. False otherwise.
+     *
+     * @param integer $offset Offset
+     *
+     * @return boolean
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * Gets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return mixed|null
+     */
+    public function offsetGet($offset)
+    {
+        return $this->container[$offset] ?? null;
+    }
+
+    /**
+     * Sets value based on offset.
+     *
+     * @param int|null $offset Offset
+     * @param mixed    $value  Value to be set
+     *
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * Unsets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * Serializes the object to a value that can be serialized natively by json_encode().
+     * @link https://www.php.net/manual/en/jsonserializable.jsonserialize.php
+     *
+     * @return mixed Returns data which can be serialized by json_encode(), which is a value
+     * of any type other than a resource.
+     */
+    public function jsonSerialize()
+    {
+       return ObjectSerializer::sanitizeForSerialization($this);
+    }
+
+    /**
+     * Gets the string presentation of the object
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return json_encode(
+            ObjectSerializer::sanitizeForSerialization($this),
+            JSON_PRETTY_PRINT
+        );
+    }
+
+    /**
+     * Gets a header-safe presentation of the object
+     *
+     * @return string
+     */
+    public function toHeaderValue()
+    {
+        return json_encode(ObjectSerializer::sanitizeForSerialization($this));
+    }
+}
+
+
diff --git a/lib/Model/ConfigStoreItemResponse.php b/lib/Model/ConfigStoreItemResponse.php
new file mode 100644
index 00000000..97a51ba5
--- /dev/null
+++ b/lib/Model/ConfigStoreItemResponse.php
@@ -0,0 +1,464 @@
+<?php
+/**
+ * ConfigStoreItemResponse
+ *
+ * PHP version 7.3
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ */
+
+/**
+ * Fastly API
+ *
+ * A PHP client library for interacting with most facets of the Fastly API.
+ *
+ */
+
+/**
+ * NOTE: This class is auto generated.
+ * Do not edit the class manually.
+ */
+
+namespace Fastly\Model;
+
+use \ArrayAccess;
+use \Fastly\ObjectSerializer;
+
+/**
+ * ConfigStoreItemResponse Class Doc Comment
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ * @implements \ArrayAccess<TKey, TValue>
+ * @template TKey int|null
+ * @template TValue mixed|null
+ */
+class ConfigStoreItemResponse implements ModelInterface, ArrayAccess, \JsonSerializable
+{
+    public const DISCRIMINATOR = null;
+
+    /**
+      * The original name of the model.
+      *
+      * @var string
+      */
+    protected static $fastlyModelName = 'config_store_item_response';
+
+    /**
+      * Array of property to type mappings. Used for (de)serialization
+      *
+      * @var string[]
+      */
+    protected static $fastlyTypes = [
+        'item_key' => 'string',
+        'item_value' => 'string',
+        'created_at' => '\DateTime',
+        'deleted_at' => '\DateTime',
+        'updated_at' => '\DateTime',
+        'store_id' => 'string'
+    ];
+
+    /**
+      * Array of property to format mappings. Used for (de)serialization
+      *
+      * @var string[]
+      * @phpstan-var array<string, string|null>
+      * @psalm-var array<string, string|null>
+      */
+    protected static $fastlyFormats = [
+        'item_key' => null,
+        'item_value' => null,
+        'created_at' => 'date-time',
+        'deleted_at' => 'date-time',
+        'updated_at' => 'date-time',
+        'store_id' => null
+    ];
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyTypes()
+    {
+        return self::$fastlyTypes;
+    }
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyFormats()
+    {
+        return self::$fastlyFormats;
+    }
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @var string[]
+     */
+    protected static $attributeMap = [
+        'item_key' => 'item_key',
+        'item_value' => 'item_value',
+        'created_at' => 'created_at',
+        'deleted_at' => 'deleted_at',
+        'updated_at' => 'updated_at',
+        'store_id' => 'store_id'
+    ];
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @var string[]
+     */
+    protected static $setters = [
+        'item_key' => 'setItemKey',
+        'item_value' => 'setItemValue',
+        'created_at' => 'setCreatedAt',
+        'deleted_at' => 'setDeletedAt',
+        'updated_at' => 'setUpdatedAt',
+        'store_id' => 'setStoreId'
+    ];
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @var string[]
+     */
+    protected static $getters = [
+        'item_key' => 'getItemKey',
+        'item_value' => 'getItemValue',
+        'created_at' => 'getCreatedAt',
+        'deleted_at' => 'getDeletedAt',
+        'updated_at' => 'getUpdatedAt',
+        'store_id' => 'getStoreId'
+    ];
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @return array
+     */
+    public static function attributeMap()
+    {
+        return self::$attributeMap;
+    }
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @return array
+     */
+    public static function setters()
+    {
+        return self::$setters;
+    }
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @return array
+     */
+    public static function getters()
+    {
+        return self::$getters;
+    }
+
+    /**
+     * The original name of the model.
+     *
+     * @return string
+     */
+    public function getModelName()
+    {
+        return self::$fastlyModelName;
+    }
+
+
+    /**
+     * Associative array for storing property values
+     *
+     * @var mixed[]
+     */
+    protected $container = [];
+
+    /**
+     * Constructor
+     *
+     * @param mixed[] $data Associated array of property values
+     *                      initializing the model
+     */
+    public function __construct(array $data = null)
+    {
+        $this->container['item_key'] = $data['item_key'] ?? null;
+        $this->container['item_value'] = $data['item_value'] ?? null;
+        $this->container['created_at'] = $data['created_at'] ?? null;
+        $this->container['deleted_at'] = $data['deleted_at'] ?? null;
+        $this->container['updated_at'] = $data['updated_at'] ?? null;
+        $this->container['store_id'] = $data['store_id'] ?? null;
+    }
+
+    /**
+     * Show all the invalid properties with reasons.
+     *
+     * @return array invalid properties with reasons
+     */
+    public function listInvalidProperties()
+    {
+        $invalidProperties = [];
+
+        return $invalidProperties;
+    }
+
+    /**
+     * Validate all the properties in the model
+     * return true if all passed
+     *
+     * @return bool True if all properties are valid
+     */
+    public function valid()
+    {
+        return count($this->listInvalidProperties()) === 0;
+    }
+
+
+    /**
+     * Gets item_key
+     *
+     * @return string|null
+     */
+    public function getItemKey()
+    {
+        return $this->container['item_key'];
+    }
+
+    /**
+     * Sets item_key
+     *
+     * @param string|null $item_key Item key, maximum 256 characters.
+     *
+     * @return self
+     */
+    public function setItemKey($item_key)
+    {
+        $this->container['item_key'] = $item_key;
+
+        return $this;
+    }
+
+    /**
+     * Gets item_value
+     *
+     * @return string|null
+     */
+    public function getItemValue()
+    {
+        return $this->container['item_value'];
+    }
+
+    /**
+     * Sets item_value
+     *
+     * @param string|null $item_value Item value, maximum 8000 characters.
+     *
+     * @return self
+     */
+    public function setItemValue($item_value)
+    {
+        $this->container['item_value'] = $item_value;
+
+        return $this;
+    }
+
+    /**
+     * Gets created_at
+     *
+     * @return \DateTime|null
+     */
+    public function getCreatedAt()
+    {
+        return $this->container['created_at'];
+    }
+
+    /**
+     * Sets created_at
+     *
+     * @param \DateTime|null $created_at Date and time in ISO 8601 format.
+     *
+     * @return self
+     */
+    public function setCreatedAt($created_at)
+    {
+        $this->container['created_at'] = $created_at;
+
+        return $this;
+    }
+
+    /**
+     * Gets deleted_at
+     *
+     * @return \DateTime|null
+     */
+    public function getDeletedAt()
+    {
+        return $this->container['deleted_at'];
+    }
+
+    /**
+     * Sets deleted_at
+     *
+     * @param \DateTime|null $deleted_at Date and time in ISO 8601 format.
+     *
+     * @return self
+     */
+    public function setDeletedAt($deleted_at)
+    {
+        $this->container['deleted_at'] = $deleted_at;
+
+        return $this;
+    }
+
+    /**
+     * Gets updated_at
+     *
+     * @return \DateTime|null
+     */
+    public function getUpdatedAt()
+    {
+        return $this->container['updated_at'];
+    }
+
+    /**
+     * Sets updated_at
+     *
+     * @param \DateTime|null $updated_at Date and time in ISO 8601 format.
+     *
+     * @return self
+     */
+    public function setUpdatedAt($updated_at)
+    {
+        $this->container['updated_at'] = $updated_at;
+
+        return $this;
+    }
+
+    /**
+     * Gets store_id
+     *
+     * @return string|null
+     */
+    public function getStoreId()
+    {
+        return $this->container['store_id'];
+    }
+
+    /**
+     * Sets store_id
+     *
+     * @param string|null $store_id store_id
+     *
+     * @return self
+     */
+    public function setStoreId($store_id)
+    {
+        $this->container['store_id'] = $store_id;
+
+        return $this;
+    }
+    /**
+     * Returns true if offset exists. False otherwise.
+     *
+     * @param integer $offset Offset
+     *
+     * @return boolean
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * Gets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return mixed|null
+     */
+    public function offsetGet($offset)
+    {
+        return $this->container[$offset] ?? null;
+    }
+
+    /**
+     * Sets value based on offset.
+     *
+     * @param int|null $offset Offset
+     * @param mixed    $value  Value to be set
+     *
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * Unsets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * Serializes the object to a value that can be serialized natively by json_encode().
+     * @link https://www.php.net/manual/en/jsonserializable.jsonserialize.php
+     *
+     * @return mixed Returns data which can be serialized by json_encode(), which is a value
+     * of any type other than a resource.
+     */
+    public function jsonSerialize()
+    {
+       return ObjectSerializer::sanitizeForSerialization($this);
+    }
+
+    /**
+     * Gets the string presentation of the object
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return json_encode(
+            ObjectSerializer::sanitizeForSerialization($this),
+            JSON_PRETTY_PRINT
+        );
+    }
+
+    /**
+     * Gets a header-safe presentation of the object
+     *
+     * @return string
+     */
+    public function toHeaderValue()
+    {
+        return json_encode(ObjectSerializer::sanitizeForSerialization($this));
+    }
+}
+
+
diff --git a/lib/Model/ConfigStoreItemResponseAllOf.php b/lib/Model/ConfigStoreItemResponseAllOf.php
new file mode 100644
index 00000000..a7c9a1c4
--- /dev/null
+++ b/lib/Model/ConfigStoreItemResponseAllOf.php
@@ -0,0 +1,314 @@
+<?php
+/**
+ * ConfigStoreItemResponseAllOf
+ *
+ * PHP version 7.3
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ */
+
+/**
+ * Fastly API
+ *
+ * A PHP client library for interacting with most facets of the Fastly API.
+ *
+ */
+
+/**
+ * NOTE: This class is auto generated.
+ * Do not edit the class manually.
+ */
+
+namespace Fastly\Model;
+
+use \ArrayAccess;
+use \Fastly\ObjectSerializer;
+
+/**
+ * ConfigStoreItemResponseAllOf Class Doc Comment
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ * @implements \ArrayAccess<TKey, TValue>
+ * @template TKey int|null
+ * @template TValue mixed|null
+ */
+class ConfigStoreItemResponseAllOf implements ModelInterface, ArrayAccess, \JsonSerializable
+{
+    public const DISCRIMINATOR = null;
+
+    /**
+      * The original name of the model.
+      *
+      * @var string
+      */
+    protected static $fastlyModelName = 'config_store_item_response_allOf';
+
+    /**
+      * Array of property to type mappings. Used for (de)serialization
+      *
+      * @var string[]
+      */
+    protected static $fastlyTypes = [
+        'store_id' => 'string'
+    ];
+
+    /**
+      * Array of property to format mappings. Used for (de)serialization
+      *
+      * @var string[]
+      * @phpstan-var array<string, string|null>
+      * @psalm-var array<string, string|null>
+      */
+    protected static $fastlyFormats = [
+        'store_id' => null
+    ];
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyTypes()
+    {
+        return self::$fastlyTypes;
+    }
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyFormats()
+    {
+        return self::$fastlyFormats;
+    }
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @var string[]
+     */
+    protected static $attributeMap = [
+        'store_id' => 'store_id'
+    ];
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @var string[]
+     */
+    protected static $setters = [
+        'store_id' => 'setStoreId'
+    ];
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @var string[]
+     */
+    protected static $getters = [
+        'store_id' => 'getStoreId'
+    ];
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @return array
+     */
+    public static function attributeMap()
+    {
+        return self::$attributeMap;
+    }
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @return array
+     */
+    public static function setters()
+    {
+        return self::$setters;
+    }
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @return array
+     */
+    public static function getters()
+    {
+        return self::$getters;
+    }
+
+    /**
+     * The original name of the model.
+     *
+     * @return string
+     */
+    public function getModelName()
+    {
+        return self::$fastlyModelName;
+    }
+
+
+    /**
+     * Associative array for storing property values
+     *
+     * @var mixed[]
+     */
+    protected $container = [];
+
+    /**
+     * Constructor
+     *
+     * @param mixed[] $data Associated array of property values
+     *                      initializing the model
+     */
+    public function __construct(array $data = null)
+    {
+        $this->container['store_id'] = $data['store_id'] ?? null;
+    }
+
+    /**
+     * Show all the invalid properties with reasons.
+     *
+     * @return array invalid properties with reasons
+     */
+    public function listInvalidProperties()
+    {
+        $invalidProperties = [];
+
+        return $invalidProperties;
+    }
+
+    /**
+     * Validate all the properties in the model
+     * return true if all passed
+     *
+     * @return bool True if all properties are valid
+     */
+    public function valid()
+    {
+        return count($this->listInvalidProperties()) === 0;
+    }
+
+
+    /**
+     * Gets store_id
+     *
+     * @return string|null
+     */
+    public function getStoreId()
+    {
+        return $this->container['store_id'];
+    }
+
+    /**
+     * Sets store_id
+     *
+     * @param string|null $store_id store_id
+     *
+     * @return self
+     */
+    public function setStoreId($store_id)
+    {
+        $this->container['store_id'] = $store_id;
+
+        return $this;
+    }
+    /**
+     * Returns true if offset exists. False otherwise.
+     *
+     * @param integer $offset Offset
+     *
+     * @return boolean
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * Gets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return mixed|null
+     */
+    public function offsetGet($offset)
+    {
+        return $this->container[$offset] ?? null;
+    }
+
+    /**
+     * Sets value based on offset.
+     *
+     * @param int|null $offset Offset
+     * @param mixed    $value  Value to be set
+     *
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * Unsets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * Serializes the object to a value that can be serialized natively by json_encode().
+     * @link https://www.php.net/manual/en/jsonserializable.jsonserialize.php
+     *
+     * @return mixed Returns data which can be serialized by json_encode(), which is a value
+     * of any type other than a resource.
+     */
+    public function jsonSerialize()
+    {
+       return ObjectSerializer::sanitizeForSerialization($this);
+    }
+
+    /**
+     * Gets the string presentation of the object
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return json_encode(
+            ObjectSerializer::sanitizeForSerialization($this),
+            JSON_PRETTY_PRINT
+        );
+    }
+
+    /**
+     * Gets a header-safe presentation of the object
+     *
+     * @return string
+     */
+    public function toHeaderValue()
+    {
+        return json_encode(ObjectSerializer::sanitizeForSerialization($this));
+    }
+}
+
+
diff --git a/lib/Model/ConfigStoreResponse.php b/lib/Model/ConfigStoreResponse.php
new file mode 100644
index 00000000..3811ff05
--- /dev/null
+++ b/lib/Model/ConfigStoreResponse.php
@@ -0,0 +1,434 @@
+<?php
+/**
+ * ConfigStoreResponse
+ *
+ * PHP version 7.3
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ */
+
+/**
+ * Fastly API
+ *
+ * A PHP client library for interacting with most facets of the Fastly API.
+ *
+ */
+
+/**
+ * NOTE: This class is auto generated.
+ * Do not edit the class manually.
+ */
+
+namespace Fastly\Model;
+
+use \ArrayAccess;
+use \Fastly\ObjectSerializer;
+
+/**
+ * ConfigStoreResponse Class Doc Comment
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ * @implements \ArrayAccess<TKey, TValue>
+ * @template TKey int|null
+ * @template TValue mixed|null
+ */
+class ConfigStoreResponse implements ModelInterface, ArrayAccess, \JsonSerializable
+{
+    public const DISCRIMINATOR = null;
+
+    /**
+      * The original name of the model.
+      *
+      * @var string
+      */
+    protected static $fastlyModelName = 'config_store_response';
+
+    /**
+      * Array of property to type mappings. Used for (de)serialization
+      *
+      * @var string[]
+      */
+    protected static $fastlyTypes = [
+        'created_at' => '\DateTime',
+        'deleted_at' => '\DateTime',
+        'updated_at' => '\DateTime',
+        'name' => 'string',
+        'id' => 'string'
+    ];
+
+    /**
+      * Array of property to format mappings. Used for (de)serialization
+      *
+      * @var string[]
+      * @phpstan-var array<string, string|null>
+      * @psalm-var array<string, string|null>
+      */
+    protected static $fastlyFormats = [
+        'created_at' => 'date-time',
+        'deleted_at' => 'date-time',
+        'updated_at' => 'date-time',
+        'name' => null,
+        'id' => null
+    ];
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyTypes()
+    {
+        return self::$fastlyTypes;
+    }
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyFormats()
+    {
+        return self::$fastlyFormats;
+    }
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @var string[]
+     */
+    protected static $attributeMap = [
+        'created_at' => 'created_at',
+        'deleted_at' => 'deleted_at',
+        'updated_at' => 'updated_at',
+        'name' => 'name',
+        'id' => 'id'
+    ];
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @var string[]
+     */
+    protected static $setters = [
+        'created_at' => 'setCreatedAt',
+        'deleted_at' => 'setDeletedAt',
+        'updated_at' => 'setUpdatedAt',
+        'name' => 'setName',
+        'id' => 'setId'
+    ];
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @var string[]
+     */
+    protected static $getters = [
+        'created_at' => 'getCreatedAt',
+        'deleted_at' => 'getDeletedAt',
+        'updated_at' => 'getUpdatedAt',
+        'name' => 'getName',
+        'id' => 'getId'
+    ];
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @return array
+     */
+    public static function attributeMap()
+    {
+        return self::$attributeMap;
+    }
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @return array
+     */
+    public static function setters()
+    {
+        return self::$setters;
+    }
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @return array
+     */
+    public static function getters()
+    {
+        return self::$getters;
+    }
+
+    /**
+     * The original name of the model.
+     *
+     * @return string
+     */
+    public function getModelName()
+    {
+        return self::$fastlyModelName;
+    }
+
+
+    /**
+     * Associative array for storing property values
+     *
+     * @var mixed[]
+     */
+    protected $container = [];
+
+    /**
+     * Constructor
+     *
+     * @param mixed[] $data Associated array of property values
+     *                      initializing the model
+     */
+    public function __construct(array $data = null)
+    {
+        $this->container['created_at'] = $data['created_at'] ?? null;
+        $this->container['deleted_at'] = $data['deleted_at'] ?? null;
+        $this->container['updated_at'] = $data['updated_at'] ?? null;
+        $this->container['name'] = $data['name'] ?? null;
+        $this->container['id'] = $data['id'] ?? null;
+    }
+
+    /**
+     * Show all the invalid properties with reasons.
+     *
+     * @return array invalid properties with reasons
+     */
+    public function listInvalidProperties()
+    {
+        $invalidProperties = [];
+
+        return $invalidProperties;
+    }
+
+    /**
+     * Validate all the properties in the model
+     * return true if all passed
+     *
+     * @return bool True if all properties are valid
+     */
+    public function valid()
+    {
+        return count($this->listInvalidProperties()) === 0;
+    }
+
+
+    /**
+     * Gets created_at
+     *
+     * @return \DateTime|null
+     */
+    public function getCreatedAt()
+    {
+        return $this->container['created_at'];
+    }
+
+    /**
+     * Sets created_at
+     *
+     * @param \DateTime|null $created_at Date and time in ISO 8601 format.
+     *
+     * @return self
+     */
+    public function setCreatedAt($created_at)
+    {
+        $this->container['created_at'] = $created_at;
+
+        return $this;
+    }
+
+    /**
+     * Gets deleted_at
+     *
+     * @return \DateTime|null
+     */
+    public function getDeletedAt()
+    {
+        return $this->container['deleted_at'];
+    }
+
+    /**
+     * Sets deleted_at
+     *
+     * @param \DateTime|null $deleted_at Date and time in ISO 8601 format.
+     *
+     * @return self
+     */
+    public function setDeletedAt($deleted_at)
+    {
+        $this->container['deleted_at'] = $deleted_at;
+
+        return $this;
+    }
+
+    /**
+     * Gets updated_at
+     *
+     * @return \DateTime|null
+     */
+    public function getUpdatedAt()
+    {
+        return $this->container['updated_at'];
+    }
+
+    /**
+     * Sets updated_at
+     *
+     * @param \DateTime|null $updated_at Date and time in ISO 8601 format.
+     *
+     * @return self
+     */
+    public function setUpdatedAt($updated_at)
+    {
+        $this->container['updated_at'] = $updated_at;
+
+        return $this;
+    }
+
+    /**
+     * Gets name
+     *
+     * @return string|null
+     */
+    public function getName()
+    {
+        return $this->container['name'];
+    }
+
+    /**
+     * Sets name
+     *
+     * @param string|null $name The name of the config store.
+     *
+     * @return self
+     */
+    public function setName($name)
+    {
+        $this->container['name'] = $name;
+
+        return $this;
+    }
+
+    /**
+     * Gets id
+     *
+     * @return string|null
+     */
+    public function getId()
+    {
+        return $this->container['id'];
+    }
+
+    /**
+     * Sets id
+     *
+     * @param string|null $id An alphanumeric string identifying the config store.
+     *
+     * @return self
+     */
+    public function setId($id)
+    {
+        $this->container['id'] = $id;
+
+        return $this;
+    }
+    /**
+     * Returns true if offset exists. False otherwise.
+     *
+     * @param integer $offset Offset
+     *
+     * @return boolean
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * Gets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return mixed|null
+     */
+    public function offsetGet($offset)
+    {
+        return $this->container[$offset] ?? null;
+    }
+
+    /**
+     * Sets value based on offset.
+     *
+     * @param int|null $offset Offset
+     * @param mixed    $value  Value to be set
+     *
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * Unsets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * Serializes the object to a value that can be serialized natively by json_encode().
+     * @link https://www.php.net/manual/en/jsonserializable.jsonserialize.php
+     *
+     * @return mixed Returns data which can be serialized by json_encode(), which is a value
+     * of any type other than a resource.
+     */
+    public function jsonSerialize()
+    {
+       return ObjectSerializer::sanitizeForSerialization($this);
+    }
+
+    /**
+     * Gets the string presentation of the object
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return json_encode(
+            ObjectSerializer::sanitizeForSerialization($this),
+            JSON_PRETTY_PRINT
+        );
+    }
+
+    /**
+     * Gets a header-safe presentation of the object
+     *
+     * @return string
+     */
+    public function toHeaderValue()
+    {
+        return json_encode(ObjectSerializer::sanitizeForSerialization($this));
+    }
+}
+
+
diff --git a/lib/Model/ConfigStoreResponseAllOf.php b/lib/Model/ConfigStoreResponseAllOf.php
new file mode 100644
index 00000000..cd05fa56
--- /dev/null
+++ b/lib/Model/ConfigStoreResponseAllOf.php
@@ -0,0 +1,314 @@
+<?php
+/**
+ * ConfigStoreResponseAllOf
+ *
+ * PHP version 7.3
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ */
+
+/**
+ * Fastly API
+ *
+ * A PHP client library for interacting with most facets of the Fastly API.
+ *
+ */
+
+/**
+ * NOTE: This class is auto generated.
+ * Do not edit the class manually.
+ */
+
+namespace Fastly\Model;
+
+use \ArrayAccess;
+use \Fastly\ObjectSerializer;
+
+/**
+ * ConfigStoreResponseAllOf Class Doc Comment
+ *
+ * @category Class
+ * @package  Fastly
+ * @author   oss@fastly.com
+ * @implements \ArrayAccess<TKey, TValue>
+ * @template TKey int|null
+ * @template TValue mixed|null
+ */
+class ConfigStoreResponseAllOf implements ModelInterface, ArrayAccess, \JsonSerializable
+{
+    public const DISCRIMINATOR = null;
+
+    /**
+      * The original name of the model.
+      *
+      * @var string
+      */
+    protected static $fastlyModelName = 'config_store_response_allOf';
+
+    /**
+      * Array of property to type mappings. Used for (de)serialization
+      *
+      * @var string[]
+      */
+    protected static $fastlyTypes = [
+        'id' => 'string'
+    ];
+
+    /**
+      * Array of property to format mappings. Used for (de)serialization
+      *
+      * @var string[]
+      * @phpstan-var array<string, string|null>
+      * @psalm-var array<string, string|null>
+      */
+    protected static $fastlyFormats = [
+        'id' => null
+    ];
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyTypes()
+    {
+        return self::$fastlyTypes;
+    }
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function fastlyFormats()
+    {
+        return self::$fastlyFormats;
+    }
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @var string[]
+     */
+    protected static $attributeMap = [
+        'id' => 'id'
+    ];
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @var string[]
+     */
+    protected static $setters = [
+        'id' => 'setId'
+    ];
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @var string[]
+     */
+    protected static $getters = [
+        'id' => 'getId'
+    ];
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @return array
+     */
+    public static function attributeMap()
+    {
+        return self::$attributeMap;
+    }
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @return array
+     */
+    public static function setters()
+    {
+        return self::$setters;
+    }
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @return array
+     */
+    public static function getters()
+    {
+        return self::$getters;
+    }
+
+    /**
+     * The original name of the model.
+     *
+     * @return string
+     */
+    public function getModelName()
+    {
+        return self::$fastlyModelName;
+    }
+
+
+    /**
+     * Associative array for storing property values
+     *
+     * @var mixed[]
+     */
+    protected $container = [];
+
+    /**
+     * Constructor
+     *
+     * @param mixed[] $data Associated array of property values
+     *                      initializing the model
+     */
+    public function __construct(array $data = null)
+    {
+        $this->container['id'] = $data['id'] ?? null;
+    }
+
+    /**
+     * Show all the invalid properties with reasons.
+     *
+     * @return array invalid properties with reasons
+     */
+    public function listInvalidProperties()
+    {
+        $invalidProperties = [];
+
+        return $invalidProperties;
+    }
+
+    /**
+     * Validate all the properties in the model
+     * return true if all passed
+     *
+     * @return bool True if all properties are valid
+     */
+    public function valid()
+    {
+        return count($this->listInvalidProperties()) === 0;
+    }
+
+
+    /**
+     * Gets id
+     *
+     * @return string|null
+     */
+    public function getId()
+    {
+        return $this->container['id'];
+    }
+
+    /**
+     * Sets id
+     *
+     * @param string|null $id An alphanumeric string identifying the config store.
+     *
+     * @return self
+     */
+    public function setId($id)
+    {
+        $this->container['id'] = $id;
+
+        return $this;
+    }
+    /**
+     * Returns true if offset exists. False otherwise.
+     *
+     * @param integer $offset Offset
+     *
+     * @return boolean
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * Gets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return mixed|null
+     */
+    public function offsetGet($offset)
+    {
+        return $this->container[$offset] ?? null;
+    }
+
+    /**
+     * Sets value based on offset.
+     *
+     * @param int|null $offset Offset
+     * @param mixed    $value  Value to be set
+     *
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * Unsets offset.
+     *
+     * @param integer $offset Offset
+     *
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * Serializes the object to a value that can be serialized natively by json_encode().
+     * @link https://www.php.net/manual/en/jsonserializable.jsonserialize.php
+     *
+     * @return mixed Returns data which can be serialized by json_encode(), which is a value
+     * of any type other than a resource.
+     */
+    public function jsonSerialize()
+    {
+       return ObjectSerializer::sanitizeForSerialization($this);
+    }
+
+    /**
+     * Gets the string presentation of the object
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return json_encode(
+            ObjectSerializer::sanitizeForSerialization($this),
+            JSON_PRETTY_PRINT
+        );
+    }
+
+    /**
+     * Gets a header-safe presentation of the object
+     *
+     * @return string
+     */
+    public function toHeaderValue()
+    {
+        return json_encode(ObjectSerializer::sanitizeForSerialization($this));
+    }
+}
+
+
diff --git a/sig.json b/sig.json
index 177da792..e6814f75 100644
--- a/sig.json
+++ b/sig.json
@@ -1 +1 @@
-{"G": "fe405794", "D": "07b55669"}
+{"G": "4ab3cc8b", "D": "629082c8"}