diff --git a/.github/workflows/typescript.yml b/.github/workflows/typescript.yml
index c91acbf2..bf501b12 100644
--- a/.github/workflows/typescript.yml
+++ b/.github/workflows/typescript.yml
@@ -18,5 +18,5 @@ jobs:
         with:
           js: true
       - run: yarn install
-      - name: Check TypeScript
-        run: ./node_modules/.bin/tsc -b bindings/typescript
+      - name: Typecheck TypeScript
+        run: yarn run build
diff --git a/bindings/typescript/package.json b/bindings/typescript/package.json
index ee65358b..63948187 100644
--- a/bindings/typescript/package.json
+++ b/bindings/typescript/package.json
@@ -12,8 +12,8 @@
   },
   "devDependencies": {
     "@types/google-protobuf": "3.15.6",
-    "protoc-gen-ts": "0.8.5",
-    "typescript": "^4.7.4"
+    "protoc-gen-ts": "0.8.6",
+    "typescript": "^4.9.0"
   },
   "comment": [
     "protoc-gen-ts is pinned to 0.8.1 because there is a breaking change in                       ",
diff --git a/bindings/typescript/scip.js b/bindings/typescript/scip.js
index 35cd15b1..743abfb3 100644
--- a/bindings/typescript/scip.js
+++ b/bindings/typescript/scip.js
@@ -1,15 +1,20 @@
 "use strict";
+var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
+    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
+    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
+    return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
+};
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.scip = void 0;
 /**
  * Generated by the protoc-gen-ts.  DO NOT EDIT!
  * compiler version: 0.0.0
  * source: scip.proto
- * git: https://github.com/thesayyn/protoc-gen-ts
- *  */
+ * git: https://github.com/thesayyn/protoc-gen-ts */
 const pb_1 = require("google-protobuf");
 var scip;
 (function (scip) {
+    var _Index_one_of_decls, _Metadata_one_of_decls, _ToolInfo_one_of_decls, _Document_one_of_decls, _Symbol_one_of_decls, _Package_one_of_decls, _Descriptor_one_of_decls, _SymbolInformation_one_of_decls, _Relationship_one_of_decls, _Occurrence_one_of_decls, _Diagnostic_one_of_decls;
     let ProtocolVersion;
     (function (ProtocolVersion) {
         ProtocolVersion[ProtocolVersion["UnspecifiedProtocolVersion"] = 0] = "UnspecifiedProtocolVersion";
@@ -36,6 +41,8 @@ var scip;
         SyntaxKind[SyntaxKind["Comment"] = 1] = "Comment";
         SyntaxKind[SyntaxKind["PunctuationDelimiter"] = 2] = "PunctuationDelimiter";
         SyntaxKind[SyntaxKind["PunctuationBracket"] = 3] = "PunctuationBracket";
+        SyntaxKind[SyntaxKind["Keyword"] = 4] = "Keyword";
+        /** @deprecated*/
         SyntaxKind[SyntaxKind["IdentifierKeyword"] = 4] = "IdentifierKeyword";
         SyntaxKind[SyntaxKind["IdentifierOperator"] = 5] = "IdentifierOperator";
         SyntaxKind[SyntaxKind["Identifier"] = 6] = "Identifier";
@@ -46,6 +53,8 @@ var scip;
         SyntaxKind[SyntaxKind["IdentifierParameter"] = 11] = "IdentifierParameter";
         SyntaxKind[SyntaxKind["IdentifierLocal"] = 12] = "IdentifierLocal";
         SyntaxKind[SyntaxKind["IdentifierShadowed"] = 13] = "IdentifierShadowed";
+        SyntaxKind[SyntaxKind["IdentifierNamespace"] = 14] = "IdentifierNamespace";
+        /** @deprecated*/
         SyntaxKind[SyntaxKind["IdentifierModule"] = 14] = "IdentifierModule";
         SyntaxKind[SyntaxKind["IdentifierFunction"] = 15] = "IdentifierFunction";
         SyntaxKind[SyntaxKind["IdentifierFunctionDefinition"] = 16] = "IdentifierFunctionDefinition";
@@ -84,10 +93,108 @@ var scip;
         DiagnosticTag[DiagnosticTag["Unnecessary"] = 1] = "Unnecessary";
         DiagnosticTag[DiagnosticTag["Deprecated"] = 2] = "Deprecated";
     })(DiagnosticTag = scip.DiagnosticTag || (scip.DiagnosticTag = {}));
+    let Language;
+    (function (Language) {
+        Language[Language["UnspecifiedLanguage"] = 0] = "UnspecifiedLanguage";
+        Language[Language["ABAP"] = 60] = "ABAP";
+        Language[Language["APL"] = 49] = "APL";
+        Language[Language["Ada"] = 39] = "Ada";
+        Language[Language["Agda"] = 45] = "Agda";
+        Language[Language["AsciiDoc"] = 86] = "AsciiDoc";
+        Language[Language["Assembly"] = 58] = "Assembly";
+        Language[Language["Awk"] = 66] = "Awk";
+        Language[Language["Bat"] = 68] = "Bat";
+        Language[Language["BibTeX"] = 81] = "BibTeX";
+        Language[Language["C"] = 34] = "C";
+        Language[Language["COBOL"] = 59] = "COBOL";
+        Language[Language["CPP"] = 35] = "CPP";
+        Language[Language["CSS"] = 26] = "CSS";
+        Language[Language["CSharp"] = 1] = "CSharp";
+        Language[Language["Clojure"] = 8] = "Clojure";
+        Language[Language["Coffeescript"] = 21] = "Coffeescript";
+        Language[Language["CommonLisp"] = 9] = "CommonLisp";
+        Language[Language["Coq"] = 47] = "Coq";
+        Language[Language["Dart"] = 3] = "Dart";
+        Language[Language["Delphi"] = 57] = "Delphi";
+        Language[Language["Diff"] = 88] = "Diff";
+        Language[Language["Dockerfile"] = 80] = "Dockerfile";
+        Language[Language["Dyalog"] = 50] = "Dyalog";
+        Language[Language["Elixir"] = 17] = "Elixir";
+        Language[Language["Erlang"] = 18] = "Erlang";
+        Language[Language["FSharp"] = 42] = "FSharp";
+        Language[Language["Fish"] = 65] = "Fish";
+        Language[Language["Flow"] = 24] = "Flow";
+        Language[Language["Fortran"] = 56] = "Fortran";
+        Language[Language["Git_Commit"] = 91] = "Git_Commit";
+        Language[Language["Git_Config"] = 89] = "Git_Config";
+        Language[Language["Git_Rebase"] = 92] = "Git_Rebase";
+        Language[Language["Go"] = 33] = "Go";
+        Language[Language["Groovy"] = 7] = "Groovy";
+        Language[Language["HTML"] = 30] = "HTML";
+        Language[Language["Hack"] = 20] = "Hack";
+        Language[Language["Handlebars"] = 90] = "Handlebars";
+        Language[Language["Haskell"] = 44] = "Haskell";
+        Language[Language["Idris"] = 46] = "Idris";
+        Language[Language["Ini"] = 72] = "Ini";
+        Language[Language["J"] = 51] = "J";
+        Language[Language["JSON"] = 75] = "JSON";
+        Language[Language["Java"] = 6] = "Java";
+        Language[Language["JavaScript"] = 22] = "JavaScript";
+        Language[Language["JavaScriptReact"] = 93] = "JavaScriptReact";
+        Language[Language["Jsonnet"] = 76] = "Jsonnet";
+        Language[Language["Julia"] = 55] = "Julia";
+        Language[Language["Kotlin"] = 4] = "Kotlin";
+        Language[Language["LaTeX"] = 83] = "LaTeX";
+        Language[Language["Lean"] = 48] = "Lean";
+        Language[Language["Less"] = 27] = "Less";
+        Language[Language["Lua"] = 12] = "Lua";
+        Language[Language["Makefile"] = 79] = "Makefile";
+        Language[Language["Markdown"] = 84] = "Markdown";
+        Language[Language["Matlab"] = 52] = "Matlab";
+        Language[Language["Nix"] = 77] = "Nix";
+        Language[Language["OCaml"] = 41] = "OCaml";
+        Language[Language["Objective_C"] = 36] = "Objective_C";
+        Language[Language["Objective_CPP"] = 37] = "Objective_CPP";
+        Language[Language["PHP"] = 19] = "PHP";
+        Language[Language["PLSQL"] = 70] = "PLSQL";
+        Language[Language["Perl"] = 13] = "Perl";
+        Language[Language["PowerShell"] = 67] = "PowerShell";
+        Language[Language["Prolog"] = 71] = "Prolog";
+        Language[Language["Python"] = 15] = "Python";
+        Language[Language["R"] = 54] = "R";
+        Language[Language["Racket"] = 11] = "Racket";
+        Language[Language["Raku"] = 14] = "Raku";
+        Language[Language["Razor"] = 62] = "Razor";
+        Language[Language["ReST"] = 85] = "ReST";
+        Language[Language["Ruby"] = 16] = "Ruby";
+        Language[Language["Rust"] = 40] = "Rust";
+        Language[Language["SAS"] = 61] = "SAS";
+        Language[Language["SCSS"] = 29] = "SCSS";
+        Language[Language["SML"] = 43] = "SML";
+        Language[Language["SQL"] = 69] = "SQL";
+        Language[Language["Sass"] = 28] = "Sass";
+        Language[Language["Scala"] = 5] = "Scala";
+        Language[Language["Scheme"] = 10] = "Scheme";
+        Language[Language["ShellScript"] = 64] = "ShellScript";
+        Language[Language["Skylark"] = 78] = "Skylark";
+        Language[Language["Swift"] = 2] = "Swift";
+        Language[Language["TOML"] = 73] = "TOML";
+        Language[Language["TeX"] = 82] = "TeX";
+        Language[Language["TypeScript"] = 23] = "TypeScript";
+        Language[Language["TypeScriptReact"] = 94] = "TypeScriptReact";
+        Language[Language["VisualBasic"] = 63] = "VisualBasic";
+        Language[Language["Vue"] = 25] = "Vue";
+        Language[Language["Wolfram"] = 53] = "Wolfram";
+        Language[Language["XML"] = 31] = "XML";
+        Language[Language["XSL"] = 32] = "XSL";
+        Language[Language["YAML"] = 74] = "YAML";
+        Language[Language["Zig"] = 38] = "Zig";
+    })(Language = scip.Language || (scip.Language = {}));
     class Index extends pb_1.Message {
         constructor(data) {
             super();
-            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [2, 3], []);
+            _Index_one_of_decls.set(this, []);
+            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [2, 3], __classPrivateFieldGet(this, _Index_one_of_decls, "f"));
             if (!Array.isArray(data) && typeof data == "object") {
                 if ("metadata" in data && data.metadata != undefined) {
                     this.metadata = data.metadata;
@@ -106,6 +213,9 @@ var scip;
         set metadata(value) {
             pb_1.Message.setWrapperField(this, 1, value);
         }
+        get has_metadata() {
+            return pb_1.Message.getField(this, 1) != null;
+        }
         get documents() {
             return pb_1.Message.getRepeatedWrapperField(this, Document, 2);
         }
@@ -146,11 +256,11 @@ var scip;
         }
         serialize(w) {
             const writer = w || new pb_1.BinaryWriter();
-            if (this.metadata !== undefined)
+            if (this.has_metadata)
                 writer.writeMessage(1, this.metadata, () => this.metadata.serialize(writer));
-            if (this.documents !== undefined)
+            if (this.documents.length)
                 writer.writeRepeatedMessage(2, this.documents, (item) => item.serialize(writer));
-            if (this.external_symbols !== undefined)
+            if (this.external_symbols.length)
                 writer.writeRepeatedMessage(3, this.external_symbols, (item) => item.serialize(writer));
             if (!w)
                 return writer.getResultBuffer();
@@ -182,11 +292,13 @@ var scip;
             return Index.deserialize(bytes);
         }
     }
+    _Index_one_of_decls = new WeakMap();
     scip.Index = Index;
     class Metadata extends pb_1.Message {
         constructor(data) {
             super();
-            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [], []);
+            _Metadata_one_of_decls.set(this, []);
+            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [], __classPrivateFieldGet(this, _Metadata_one_of_decls, "f"));
             if (!Array.isArray(data) && typeof data == "object") {
                 if ("version" in data && data.version != undefined) {
                     this.version = data.version;
@@ -203,7 +315,7 @@ var scip;
             }
         }
         get version() {
-            return pb_1.Message.getField(this, 1);
+            return pb_1.Message.getFieldWithDefault(this, 1, ProtocolVersion.UnspecifiedProtocolVersion);
         }
         set version(value) {
             pb_1.Message.setField(this, 1, value);
@@ -214,14 +326,17 @@ var scip;
         set tool_info(value) {
             pb_1.Message.setWrapperField(this, 2, value);
         }
+        get has_tool_info() {
+            return pb_1.Message.getField(this, 2) != null;
+        }
         get project_root() {
-            return pb_1.Message.getField(this, 3);
+            return pb_1.Message.getFieldWithDefault(this, 3, "");
         }
         set project_root(value) {
             pb_1.Message.setField(this, 3, value);
         }
         get text_document_encoding() {
-            return pb_1.Message.getField(this, 4);
+            return pb_1.Message.getFieldWithDefault(this, 4, TextEncoding.UnspecifiedTextEncoding);
         }
         set text_document_encoding(value) {
             pb_1.Message.setField(this, 4, value);
@@ -260,13 +375,13 @@ var scip;
         }
         serialize(w) {
             const writer = w || new pb_1.BinaryWriter();
-            if (this.version !== undefined)
+            if (this.version != ProtocolVersion.UnspecifiedProtocolVersion)
                 writer.writeEnum(1, this.version);
-            if (this.tool_info !== undefined)
+            if (this.has_tool_info)
                 writer.writeMessage(2, this.tool_info, () => this.tool_info.serialize(writer));
-            if (typeof this.project_root === "string" && this.project_root.length)
+            if (this.project_root.length)
                 writer.writeString(3, this.project_root);
-            if (this.text_document_encoding !== undefined)
+            if (this.text_document_encoding != TextEncoding.UnspecifiedTextEncoding)
                 writer.writeEnum(4, this.text_document_encoding);
             if (!w)
                 return writer.getResultBuffer();
@@ -301,11 +416,13 @@ var scip;
             return Metadata.deserialize(bytes);
         }
     }
+    _Metadata_one_of_decls = new WeakMap();
     scip.Metadata = Metadata;
     class ToolInfo extends pb_1.Message {
         constructor(data) {
             super();
-            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [3], []);
+            _ToolInfo_one_of_decls.set(this, []);
+            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [3], __classPrivateFieldGet(this, _ToolInfo_one_of_decls, "f"));
             if (!Array.isArray(data) && typeof data == "object") {
                 if ("name" in data && data.name != undefined) {
                     this.name = data.name;
@@ -319,19 +436,19 @@ var scip;
             }
         }
         get name() {
-            return pb_1.Message.getField(this, 1);
+            return pb_1.Message.getFieldWithDefault(this, 1, "");
         }
         set name(value) {
             pb_1.Message.setField(this, 1, value);
         }
         get version() {
-            return pb_1.Message.getField(this, 2);
+            return pb_1.Message.getFieldWithDefault(this, 2, "");
         }
         set version(value) {
             pb_1.Message.setField(this, 2, value);
         }
         get arguments() {
-            return pb_1.Message.getField(this, 3);
+            return pb_1.Message.getFieldWithDefault(this, 3, []);
         }
         set arguments(value) {
             pb_1.Message.setField(this, 3, value);
@@ -364,11 +481,11 @@ var scip;
         }
         serialize(w) {
             const writer = w || new pb_1.BinaryWriter();
-            if (typeof this.name === "string" && this.name.length)
+            if (this.name.length)
                 writer.writeString(1, this.name);
-            if (typeof this.version === "string" && this.version.length)
+            if (this.version.length)
                 writer.writeString(2, this.version);
-            if (this.arguments !== undefined)
+            if (this.arguments.length)
                 writer.writeRepeatedString(3, this.arguments);
             if (!w)
                 return writer.getResultBuffer();
@@ -400,12 +517,17 @@ var scip;
             return ToolInfo.deserialize(bytes);
         }
     }
+    _ToolInfo_one_of_decls = new WeakMap();
     scip.ToolInfo = ToolInfo;
     class Document extends pb_1.Message {
         constructor(data) {
             super();
-            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [2, 3], []);
+            _Document_one_of_decls.set(this, []);
+            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [2, 3], __classPrivateFieldGet(this, _Document_one_of_decls, "f"));
             if (!Array.isArray(data) && typeof data == "object") {
+                if ("language" in data && data.language != undefined) {
+                    this.language = data.language;
+                }
                 if ("relative_path" in data && data.relative_path != undefined) {
                     this.relative_path = data.relative_path;
                 }
@@ -415,10 +537,19 @@ var scip;
                 if ("symbols" in data && data.symbols != undefined) {
                     this.symbols = data.symbols;
                 }
+                if ("text" in data && data.text != undefined) {
+                    this.text = data.text;
+                }
             }
         }
+        get language() {
+            return pb_1.Message.getFieldWithDefault(this, 4, "");
+        }
+        set language(value) {
+            pb_1.Message.setField(this, 4, value);
+        }
         get relative_path() {
-            return pb_1.Message.getField(this, 1);
+            return pb_1.Message.getFieldWithDefault(this, 1, "");
         }
         set relative_path(value) {
             pb_1.Message.setField(this, 1, value);
@@ -435,8 +566,17 @@ var scip;
         set symbols(value) {
             pb_1.Message.setRepeatedWrapperField(this, 3, value);
         }
+        get text() {
+            return pb_1.Message.getFieldWithDefault(this, 5, "");
+        }
+        set text(value) {
+            pb_1.Message.setField(this, 5, value);
+        }
         static fromObject(data) {
             const message = new Document({});
+            if (data.language != null) {
+                message.language = data.language;
+            }
             if (data.relative_path != null) {
                 message.relative_path = data.relative_path;
             }
@@ -446,10 +586,16 @@ var scip;
             if (data.symbols != null) {
                 message.symbols = data.symbols.map(item => SymbolInformation.fromObject(item));
             }
+            if (data.text != null) {
+                message.text = data.text;
+            }
             return message;
         }
         toObject() {
             const data = {};
+            if (this.language != null) {
+                data.language = this.language;
+            }
             if (this.relative_path != null) {
                 data.relative_path = this.relative_path;
             }
@@ -459,16 +605,23 @@ var scip;
             if (this.symbols != null) {
                 data.symbols = this.symbols.map((item) => item.toObject());
             }
+            if (this.text != null) {
+                data.text = this.text;
+            }
             return data;
         }
         serialize(w) {
             const writer = w || new pb_1.BinaryWriter();
-            if (typeof this.relative_path === "string" && this.relative_path.length)
+            if (this.language.length)
+                writer.writeString(4, this.language);
+            if (this.relative_path.length)
                 writer.writeString(1, this.relative_path);
-            if (this.occurrences !== undefined)
+            if (this.occurrences.length)
                 writer.writeRepeatedMessage(2, this.occurrences, (item) => item.serialize(writer));
-            if (this.symbols !== undefined)
+            if (this.symbols.length)
                 writer.writeRepeatedMessage(3, this.symbols, (item) => item.serialize(writer));
+            if (this.text.length)
+                writer.writeString(5, this.text);
             if (!w)
                 return writer.getResultBuffer();
         }
@@ -478,6 +631,9 @@ var scip;
                 if (reader.isEndGroup())
                     break;
                 switch (reader.getFieldNumber()) {
+                    case 4:
+                        message.language = reader.readString();
+                        break;
                     case 1:
                         message.relative_path = reader.readString();
                         break;
@@ -487,6 +643,9 @@ var scip;
                     case 3:
                         reader.readMessage(message.symbols, () => pb_1.Message.addToRepeatedWrapperField(message, 3, SymbolInformation.deserialize(reader), SymbolInformation));
                         break;
+                    case 5:
+                        message.text = reader.readString();
+                        break;
                     default: reader.skipField();
                 }
             }
@@ -499,11 +658,13 @@ var scip;
             return Document.deserialize(bytes);
         }
     }
+    _Document_one_of_decls = new WeakMap();
     scip.Document = Document;
     class Symbol extends pb_1.Message {
         constructor(data) {
             super();
-            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [3], []);
+            _Symbol_one_of_decls.set(this, []);
+            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [3], __classPrivateFieldGet(this, _Symbol_one_of_decls, "f"));
             if (!Array.isArray(data) && typeof data == "object") {
                 if ("scheme" in data && data.scheme != undefined) {
                     this.scheme = data.scheme;
@@ -517,7 +678,7 @@ var scip;
             }
         }
         get scheme() {
-            return pb_1.Message.getField(this, 1);
+            return pb_1.Message.getFieldWithDefault(this, 1, "");
         }
         set scheme(value) {
             pb_1.Message.setField(this, 1, value);
@@ -528,6 +689,9 @@ var scip;
         set package(value) {
             pb_1.Message.setWrapperField(this, 2, value);
         }
+        get has_package() {
+            return pb_1.Message.getField(this, 2) != null;
+        }
         get descriptors() {
             return pb_1.Message.getRepeatedWrapperField(this, Descriptor, 3);
         }
@@ -562,11 +726,11 @@ var scip;
         }
         serialize(w) {
             const writer = w || new pb_1.BinaryWriter();
-            if (typeof this.scheme === "string" && this.scheme.length)
+            if (this.scheme.length)
                 writer.writeString(1, this.scheme);
-            if (this.package !== undefined)
+            if (this.has_package)
                 writer.writeMessage(2, this.package, () => this.package.serialize(writer));
-            if (this.descriptors !== undefined)
+            if (this.descriptors.length)
                 writer.writeRepeatedMessage(3, this.descriptors, (item) => item.serialize(writer));
             if (!w)
                 return writer.getResultBuffer();
@@ -598,11 +762,13 @@ var scip;
             return Symbol.deserialize(bytes);
         }
     }
+    _Symbol_one_of_decls = new WeakMap();
     scip.Symbol = Symbol;
     class Package extends pb_1.Message {
         constructor(data) {
             super();
-            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [], []);
+            _Package_one_of_decls.set(this, []);
+            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [], __classPrivateFieldGet(this, _Package_one_of_decls, "f"));
             if (!Array.isArray(data) && typeof data == "object") {
                 if ("manager" in data && data.manager != undefined) {
                     this.manager = data.manager;
@@ -616,19 +782,19 @@ var scip;
             }
         }
         get manager() {
-            return pb_1.Message.getField(this, 1);
+            return pb_1.Message.getFieldWithDefault(this, 1, "");
         }
         set manager(value) {
             pb_1.Message.setField(this, 1, value);
         }
         get name() {
-            return pb_1.Message.getField(this, 2);
+            return pb_1.Message.getFieldWithDefault(this, 2, "");
         }
         set name(value) {
             pb_1.Message.setField(this, 2, value);
         }
         get version() {
-            return pb_1.Message.getField(this, 3);
+            return pb_1.Message.getFieldWithDefault(this, 3, "");
         }
         set version(value) {
             pb_1.Message.setField(this, 3, value);
@@ -661,11 +827,11 @@ var scip;
         }
         serialize(w) {
             const writer = w || new pb_1.BinaryWriter();
-            if (typeof this.manager === "string" && this.manager.length)
+            if (this.manager.length)
                 writer.writeString(1, this.manager);
-            if (typeof this.name === "string" && this.name.length)
+            if (this.name.length)
                 writer.writeString(2, this.name);
-            if (typeof this.version === "string" && this.version.length)
+            if (this.version.length)
                 writer.writeString(3, this.version);
             if (!w)
                 return writer.getResultBuffer();
@@ -697,11 +863,13 @@ var scip;
             return Package.deserialize(bytes);
         }
     }
+    _Package_one_of_decls = new WeakMap();
     scip.Package = Package;
     class Descriptor extends pb_1.Message {
         constructor(data) {
             super();
-            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [], []);
+            _Descriptor_one_of_decls.set(this, []);
+            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [], __classPrivateFieldGet(this, _Descriptor_one_of_decls, "f"));
             if (!Array.isArray(data) && typeof data == "object") {
                 if ("name" in data && data.name != undefined) {
                     this.name = data.name;
@@ -715,19 +883,19 @@ var scip;
             }
         }
         get name() {
-            return pb_1.Message.getField(this, 1);
+            return pb_1.Message.getFieldWithDefault(this, 1, "");
         }
         set name(value) {
             pb_1.Message.setField(this, 1, value);
         }
         get disambiguator() {
-            return pb_1.Message.getField(this, 2);
+            return pb_1.Message.getFieldWithDefault(this, 2, "");
         }
         set disambiguator(value) {
             pb_1.Message.setField(this, 2, value);
         }
         get suffix() {
-            return pb_1.Message.getField(this, 3);
+            return pb_1.Message.getFieldWithDefault(this, 3, Descriptor.Suffix.UnspecifiedSuffix);
         }
         set suffix(value) {
             pb_1.Message.setField(this, 3, value);
@@ -760,11 +928,11 @@ var scip;
         }
         serialize(w) {
             const writer = w || new pb_1.BinaryWriter();
-            if (typeof this.name === "string" && this.name.length)
+            if (this.name.length)
                 writer.writeString(1, this.name);
-            if (typeof this.disambiguator === "string" && this.disambiguator.length)
+            if (this.disambiguator.length)
                 writer.writeString(2, this.disambiguator);
-            if (this.suffix !== undefined)
+            if (this.suffix != Descriptor.Suffix.UnspecifiedSuffix)
                 writer.writeEnum(3, this.suffix);
             if (!w)
                 return writer.getResultBuffer();
@@ -796,11 +964,14 @@ var scip;
             return Descriptor.deserialize(bytes);
         }
     }
+    _Descriptor_one_of_decls = new WeakMap();
     scip.Descriptor = Descriptor;
     (function (Descriptor) {
         let Suffix;
         (function (Suffix) {
             Suffix[Suffix["UnspecifiedSuffix"] = 0] = "UnspecifiedSuffix";
+            Suffix[Suffix["Namespace"] = 1] = "Namespace";
+            /** @deprecated*/
             Suffix[Suffix["Package"] = 1] = "Package";
             Suffix[Suffix["Type"] = 2] = "Type";
             Suffix[Suffix["Term"] = 3] = "Term";
@@ -809,12 +980,14 @@ var scip;
             Suffix[Suffix["Parameter"] = 6] = "Parameter";
             Suffix[Suffix["Meta"] = 7] = "Meta";
             Suffix[Suffix["Local"] = 8] = "Local";
+            Suffix[Suffix["Macro"] = 9] = "Macro";
         })(Suffix = Descriptor.Suffix || (Descriptor.Suffix = {}));
     })(Descriptor = scip.Descriptor || (scip.Descriptor = {}));
     class SymbolInformation extends pb_1.Message {
         constructor(data) {
             super();
-            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [3, 4], []);
+            _SymbolInformation_one_of_decls.set(this, []);
+            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [3, 4], __classPrivateFieldGet(this, _SymbolInformation_one_of_decls, "f"));
             if (!Array.isArray(data) && typeof data == "object") {
                 if ("symbol" in data && data.symbol != undefined) {
                     this.symbol = data.symbol;
@@ -825,16 +998,28 @@ var scip;
                 if ("relationships" in data && data.relationships != undefined) {
                     this.relationships = data.relationships;
                 }
+                if ("kind" in data && data.kind != undefined) {
+                    this.kind = data.kind;
+                }
+                if ("display_name" in data && data.display_name != undefined) {
+                    this.display_name = data.display_name;
+                }
+                if ("signature_documentation" in data && data.signature_documentation != undefined) {
+                    this.signature_documentation = data.signature_documentation;
+                }
+                if ("enclosing_symbol" in data && data.enclosing_symbol != undefined) {
+                    this.enclosing_symbol = data.enclosing_symbol;
+                }
             }
         }
         get symbol() {
-            return pb_1.Message.getField(this, 1);
+            return pb_1.Message.getFieldWithDefault(this, 1, "");
         }
         set symbol(value) {
             pb_1.Message.setField(this, 1, value);
         }
         get documentation() {
-            return pb_1.Message.getField(this, 3);
+            return pb_1.Message.getFieldWithDefault(this, 3, []);
         }
         set documentation(value) {
             pb_1.Message.setField(this, 3, value);
@@ -845,6 +1030,33 @@ var scip;
         set relationships(value) {
             pb_1.Message.setRepeatedWrapperField(this, 4, value);
         }
+        get kind() {
+            return pb_1.Message.getFieldWithDefault(this, 5, SymbolInformation.Kind.UnspecifiedKind);
+        }
+        set kind(value) {
+            pb_1.Message.setField(this, 5, value);
+        }
+        get display_name() {
+            return pb_1.Message.getFieldWithDefault(this, 6, "");
+        }
+        set display_name(value) {
+            pb_1.Message.setField(this, 6, value);
+        }
+        get signature_documentation() {
+            return pb_1.Message.getWrapperField(this, Document, 7);
+        }
+        set signature_documentation(value) {
+            pb_1.Message.setWrapperField(this, 7, value);
+        }
+        get has_signature_documentation() {
+            return pb_1.Message.getField(this, 7) != null;
+        }
+        get enclosing_symbol() {
+            return pb_1.Message.getFieldWithDefault(this, 8, "");
+        }
+        set enclosing_symbol(value) {
+            pb_1.Message.setField(this, 8, value);
+        }
         static fromObject(data) {
             const message = new SymbolInformation({});
             if (data.symbol != null) {
@@ -856,6 +1068,18 @@ var scip;
             if (data.relationships != null) {
                 message.relationships = data.relationships.map(item => Relationship.fromObject(item));
             }
+            if (data.kind != null) {
+                message.kind = data.kind;
+            }
+            if (data.display_name != null) {
+                message.display_name = data.display_name;
+            }
+            if (data.signature_documentation != null) {
+                message.signature_documentation = Document.fromObject(data.signature_documentation);
+            }
+            if (data.enclosing_symbol != null) {
+                message.enclosing_symbol = data.enclosing_symbol;
+            }
             return message;
         }
         toObject() {
@@ -869,16 +1093,36 @@ var scip;
             if (this.relationships != null) {
                 data.relationships = this.relationships.map((item) => item.toObject());
             }
+            if (this.kind != null) {
+                data.kind = this.kind;
+            }
+            if (this.display_name != null) {
+                data.display_name = this.display_name;
+            }
+            if (this.signature_documentation != null) {
+                data.signature_documentation = this.signature_documentation.toObject();
+            }
+            if (this.enclosing_symbol != null) {
+                data.enclosing_symbol = this.enclosing_symbol;
+            }
             return data;
         }
         serialize(w) {
             const writer = w || new pb_1.BinaryWriter();
-            if (typeof this.symbol === "string" && this.symbol.length)
+            if (this.symbol.length)
                 writer.writeString(1, this.symbol);
-            if (this.documentation !== undefined)
+            if (this.documentation.length)
                 writer.writeRepeatedString(3, this.documentation);
-            if (this.relationships !== undefined)
+            if (this.relationships.length)
                 writer.writeRepeatedMessage(4, this.relationships, (item) => item.serialize(writer));
+            if (this.kind != SymbolInformation.Kind.UnspecifiedKind)
+                writer.writeEnum(5, this.kind);
+            if (this.display_name.length)
+                writer.writeString(6, this.display_name);
+            if (this.has_signature_documentation)
+                writer.writeMessage(7, this.signature_documentation, () => this.signature_documentation.serialize(writer));
+            if (this.enclosing_symbol.length)
+                writer.writeString(8, this.enclosing_symbol);
             if (!w)
                 return writer.getResultBuffer();
         }
@@ -897,6 +1141,18 @@ var scip;
                     case 4:
                         reader.readMessage(message.relationships, () => pb_1.Message.addToRepeatedWrapperField(message, 4, Relationship.deserialize(reader), Relationship));
                         break;
+                    case 5:
+                        message.kind = reader.readEnum();
+                        break;
+                    case 6:
+                        message.display_name = reader.readString();
+                        break;
+                    case 7:
+                        reader.readMessage(message.signature_documentation, () => message.signature_documentation = Document.deserialize(reader));
+                        break;
+                    case 8:
+                        message.enclosing_symbol = reader.readString();
+                        break;
                     default: reader.skipField();
                 }
             }
@@ -909,11 +1165,80 @@ var scip;
             return SymbolInformation.deserialize(bytes);
         }
     }
+    _SymbolInformation_one_of_decls = new WeakMap();
     scip.SymbolInformation = SymbolInformation;
+    (function (SymbolInformation) {
+        let Kind;
+        (function (Kind) {
+            Kind[Kind["UnspecifiedKind"] = 0] = "UnspecifiedKind";
+            Kind[Kind["Array"] = 1] = "Array";
+            Kind[Kind["Assertion"] = 2] = "Assertion";
+            Kind[Kind["AssociatedType"] = 3] = "AssociatedType";
+            Kind[Kind["Attribute"] = 4] = "Attribute";
+            Kind[Kind["Axiom"] = 5] = "Axiom";
+            Kind[Kind["Boolean"] = 6] = "Boolean";
+            Kind[Kind["Class"] = 7] = "Class";
+            Kind[Kind["Constant"] = 8] = "Constant";
+            Kind[Kind["Constructor"] = 9] = "Constructor";
+            Kind[Kind["DataFamily"] = 10] = "DataFamily";
+            Kind[Kind["Enum"] = 11] = "Enum";
+            Kind[Kind["EnumMember"] = 12] = "EnumMember";
+            Kind[Kind["Event"] = 13] = "Event";
+            Kind[Kind["Fact"] = 14] = "Fact";
+            Kind[Kind["Field"] = 15] = "Field";
+            Kind[Kind["File"] = 16] = "File";
+            Kind[Kind["Function"] = 17] = "Function";
+            Kind[Kind["Getter"] = 18] = "Getter";
+            Kind[Kind["Grammar"] = 19] = "Grammar";
+            Kind[Kind["Instance"] = 20] = "Instance";
+            Kind[Kind["Interface"] = 21] = "Interface";
+            Kind[Kind["Key"] = 22] = "Key";
+            Kind[Kind["Lang"] = 23] = "Lang";
+            Kind[Kind["Lemma"] = 24] = "Lemma";
+            Kind[Kind["Macro"] = 25] = "Macro";
+            Kind[Kind["Method"] = 26] = "Method";
+            Kind[Kind["MethodReceiver"] = 27] = "MethodReceiver";
+            Kind[Kind["Message"] = 28] = "Message";
+            Kind[Kind["Module"] = 29] = "Module";
+            Kind[Kind["Namespace"] = 30] = "Namespace";
+            Kind[Kind["Null"] = 31] = "Null";
+            Kind[Kind["Number"] = 32] = "Number";
+            Kind[Kind["Object"] = 33] = "Object";
+            Kind[Kind["Operator"] = 34] = "Operator";
+            Kind[Kind["Package"] = 35] = "Package";
+            Kind[Kind["PackageObject"] = 36] = "PackageObject";
+            Kind[Kind["Parameter"] = 37] = "Parameter";
+            Kind[Kind["ParameterLabel"] = 38] = "ParameterLabel";
+            Kind[Kind["Pattern"] = 39] = "Pattern";
+            Kind[Kind["Predicate"] = 40] = "Predicate";
+            Kind[Kind["Property"] = 41] = "Property";
+            Kind[Kind["Protocol"] = 42] = "Protocol";
+            Kind[Kind["Quasiquoter"] = 43] = "Quasiquoter";
+            Kind[Kind["SelfParameter"] = 44] = "SelfParameter";
+            Kind[Kind["Setter"] = 45] = "Setter";
+            Kind[Kind["Signature"] = 46] = "Signature";
+            Kind[Kind["Subscript"] = 47] = "Subscript";
+            Kind[Kind["String"] = 48] = "String";
+            Kind[Kind["Struct"] = 49] = "Struct";
+            Kind[Kind["Tactic"] = 50] = "Tactic";
+            Kind[Kind["Theorem"] = 51] = "Theorem";
+            Kind[Kind["ThisParameter"] = 52] = "ThisParameter";
+            Kind[Kind["Trait"] = 53] = "Trait";
+            Kind[Kind["Type"] = 54] = "Type";
+            Kind[Kind["TypeAlias"] = 55] = "TypeAlias";
+            Kind[Kind["TypeClass"] = 56] = "TypeClass";
+            Kind[Kind["TypeFamily"] = 57] = "TypeFamily";
+            Kind[Kind["TypeParameter"] = 58] = "TypeParameter";
+            Kind[Kind["Union"] = 59] = "Union";
+            Kind[Kind["Value"] = 60] = "Value";
+            Kind[Kind["Variable"] = 61] = "Variable";
+        })(Kind = SymbolInformation.Kind || (SymbolInformation.Kind = {}));
+    })(SymbolInformation = scip.SymbolInformation || (scip.SymbolInformation = {}));
     class Relationship extends pb_1.Message {
         constructor(data) {
             super();
-            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [], []);
+            _Relationship_one_of_decls.set(this, []);
+            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [], __classPrivateFieldGet(this, _Relationship_one_of_decls, "f"));
             if (!Array.isArray(data) && typeof data == "object") {
                 if ("symbol" in data && data.symbol != undefined) {
                     this.symbol = data.symbol;
@@ -927,32 +1252,41 @@ var scip;
                 if ("is_type_definition" in data && data.is_type_definition != undefined) {
                     this.is_type_definition = data.is_type_definition;
                 }
+                if ("is_definition" in data && data.is_definition != undefined) {
+                    this.is_definition = data.is_definition;
+                }
             }
         }
         get symbol() {
-            return pb_1.Message.getField(this, 1);
+            return pb_1.Message.getFieldWithDefault(this, 1, "");
         }
         set symbol(value) {
             pb_1.Message.setField(this, 1, value);
         }
         get is_reference() {
-            return pb_1.Message.getField(this, 2);
+            return pb_1.Message.getFieldWithDefault(this, 2, false);
         }
         set is_reference(value) {
             pb_1.Message.setField(this, 2, value);
         }
         get is_implementation() {
-            return pb_1.Message.getField(this, 3);
+            return pb_1.Message.getFieldWithDefault(this, 3, false);
         }
         set is_implementation(value) {
             pb_1.Message.setField(this, 3, value);
         }
         get is_type_definition() {
-            return pb_1.Message.getField(this, 4);
+            return pb_1.Message.getFieldWithDefault(this, 4, false);
         }
         set is_type_definition(value) {
             pb_1.Message.setField(this, 4, value);
         }
+        get is_definition() {
+            return pb_1.Message.getFieldWithDefault(this, 5, false);
+        }
+        set is_definition(value) {
+            pb_1.Message.setField(this, 5, value);
+        }
         static fromObject(data) {
             const message = new Relationship({});
             if (data.symbol != null) {
@@ -967,6 +1301,9 @@ var scip;
             if (data.is_type_definition != null) {
                 message.is_type_definition = data.is_type_definition;
             }
+            if (data.is_definition != null) {
+                message.is_definition = data.is_definition;
+            }
             return message;
         }
         toObject() {
@@ -983,18 +1320,23 @@ var scip;
             if (this.is_type_definition != null) {
                 data.is_type_definition = this.is_type_definition;
             }
+            if (this.is_definition != null) {
+                data.is_definition = this.is_definition;
+            }
             return data;
         }
         serialize(w) {
             const writer = w || new pb_1.BinaryWriter();
-            if (typeof this.symbol === "string" && this.symbol.length)
+            if (this.symbol.length)
                 writer.writeString(1, this.symbol);
-            if (this.is_reference !== undefined)
+            if (this.is_reference != false)
                 writer.writeBool(2, this.is_reference);
-            if (this.is_implementation !== undefined)
+            if (this.is_implementation != false)
                 writer.writeBool(3, this.is_implementation);
-            if (this.is_type_definition !== undefined)
+            if (this.is_type_definition != false)
                 writer.writeBool(4, this.is_type_definition);
+            if (this.is_definition != false)
+                writer.writeBool(5, this.is_definition);
             if (!w)
                 return writer.getResultBuffer();
         }
@@ -1016,6 +1358,9 @@ var scip;
                     case 4:
                         message.is_type_definition = reader.readBool();
                         break;
+                    case 5:
+                        message.is_definition = reader.readBool();
+                        break;
                     default: reader.skipField();
                 }
             }
@@ -1028,11 +1373,13 @@ var scip;
             return Relationship.deserialize(bytes);
         }
     }
+    _Relationship_one_of_decls = new WeakMap();
     scip.Relationship = Relationship;
     class Occurrence extends pb_1.Message {
         constructor(data) {
             super();
-            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [1, 4, 6], []);
+            _Occurrence_one_of_decls.set(this, []);
+            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [1, 4, 6, 7], __classPrivateFieldGet(this, _Occurrence_one_of_decls, "f"));
             if (!Array.isArray(data) && typeof data == "object") {
                 if ("range" in data && data.range != undefined) {
                     this.range = data.range;
@@ -1052,34 +1399,37 @@ var scip;
                 if ("diagnostics" in data && data.diagnostics != undefined) {
                     this.diagnostics = data.diagnostics;
                 }
+                if ("enclosing_range" in data && data.enclosing_range != undefined) {
+                    this.enclosing_range = data.enclosing_range;
+                }
             }
         }
         get range() {
-            return pb_1.Message.getField(this, 1);
+            return pb_1.Message.getFieldWithDefault(this, 1, []);
         }
         set range(value) {
             pb_1.Message.setField(this, 1, value);
         }
         get symbol() {
-            return pb_1.Message.getField(this, 2);
+            return pb_1.Message.getFieldWithDefault(this, 2, "");
         }
         set symbol(value) {
             pb_1.Message.setField(this, 2, value);
         }
         get symbol_roles() {
-            return pb_1.Message.getField(this, 3);
+            return pb_1.Message.getFieldWithDefault(this, 3, 0);
         }
         set symbol_roles(value) {
             pb_1.Message.setField(this, 3, value);
         }
         get override_documentation() {
-            return pb_1.Message.getField(this, 4);
+            return pb_1.Message.getFieldWithDefault(this, 4, []);
         }
         set override_documentation(value) {
             pb_1.Message.setField(this, 4, value);
         }
         get syntax_kind() {
-            return pb_1.Message.getField(this, 5);
+            return pb_1.Message.getFieldWithDefault(this, 5, SyntaxKind.UnspecifiedSyntaxKind);
         }
         set syntax_kind(value) {
             pb_1.Message.setField(this, 5, value);
@@ -1090,6 +1440,12 @@ var scip;
         set diagnostics(value) {
             pb_1.Message.setRepeatedWrapperField(this, 6, value);
         }
+        get enclosing_range() {
+            return pb_1.Message.getFieldWithDefault(this, 7, []);
+        }
+        set enclosing_range(value) {
+            pb_1.Message.setField(this, 7, value);
+        }
         static fromObject(data) {
             const message = new Occurrence({});
             if (data.range != null) {
@@ -1110,6 +1466,9 @@ var scip;
             if (data.diagnostics != null) {
                 message.diagnostics = data.diagnostics.map(item => Diagnostic.fromObject(item));
             }
+            if (data.enclosing_range != null) {
+                message.enclosing_range = data.enclosing_range;
+            }
             return message;
         }
         toObject() {
@@ -1132,22 +1491,27 @@ var scip;
             if (this.diagnostics != null) {
                 data.diagnostics = this.diagnostics.map((item) => item.toObject());
             }
+            if (this.enclosing_range != null) {
+                data.enclosing_range = this.enclosing_range;
+            }
             return data;
         }
         serialize(w) {
             const writer = w || new pb_1.BinaryWriter();
-            if (this.range !== undefined)
+            if (this.range.length)
                 writer.writePackedInt32(1, this.range);
-            if (typeof this.symbol === "string" && this.symbol.length)
+            if (this.symbol.length)
                 writer.writeString(2, this.symbol);
-            if (this.symbol_roles !== undefined)
+            if (this.symbol_roles != 0)
                 writer.writeInt32(3, this.symbol_roles);
-            if (this.override_documentation !== undefined)
+            if (this.override_documentation.length)
                 writer.writeRepeatedString(4, this.override_documentation);
-            if (this.syntax_kind !== undefined)
+            if (this.syntax_kind != SyntaxKind.UnspecifiedSyntaxKind)
                 writer.writeEnum(5, this.syntax_kind);
-            if (this.diagnostics !== undefined)
+            if (this.diagnostics.length)
                 writer.writeRepeatedMessage(6, this.diagnostics, (item) => item.serialize(writer));
+            if (this.enclosing_range.length)
+                writer.writePackedInt32(7, this.enclosing_range);
             if (!w)
                 return writer.getResultBuffer();
         }
@@ -1175,6 +1539,9 @@ var scip;
                     case 6:
                         reader.readMessage(message.diagnostics, () => pb_1.Message.addToRepeatedWrapperField(message, 6, Diagnostic.deserialize(reader), Diagnostic));
                         break;
+                    case 7:
+                        message.enclosing_range = reader.readPackedInt32();
+                        break;
                     default: reader.skipField();
                 }
             }
@@ -1187,11 +1554,13 @@ var scip;
             return Occurrence.deserialize(bytes);
         }
     }
+    _Occurrence_one_of_decls = new WeakMap();
     scip.Occurrence = Occurrence;
     class Diagnostic extends pb_1.Message {
         constructor(data) {
             super();
-            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [5], []);
+            _Diagnostic_one_of_decls.set(this, []);
+            pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [5], __classPrivateFieldGet(this, _Diagnostic_one_of_decls, "f"));
             if (!Array.isArray(data) && typeof data == "object") {
                 if ("severity" in data && data.severity != undefined) {
                     this.severity = data.severity;
@@ -1211,31 +1580,31 @@ var scip;
             }
         }
         get severity() {
-            return pb_1.Message.getField(this, 1);
+            return pb_1.Message.getFieldWithDefault(this, 1, Severity.UnspecifiedSeverity);
         }
         set severity(value) {
             pb_1.Message.setField(this, 1, value);
         }
         get code() {
-            return pb_1.Message.getField(this, 2);
+            return pb_1.Message.getFieldWithDefault(this, 2, "");
         }
         set code(value) {
             pb_1.Message.setField(this, 2, value);
         }
         get message() {
-            return pb_1.Message.getField(this, 3);
+            return pb_1.Message.getFieldWithDefault(this, 3, "");
         }
         set message(value) {
             pb_1.Message.setField(this, 3, value);
         }
         get source() {
-            return pb_1.Message.getField(this, 4);
+            return pb_1.Message.getFieldWithDefault(this, 4, "");
         }
         set source(value) {
             pb_1.Message.setField(this, 4, value);
         }
         get tags() {
-            return pb_1.Message.getField(this, 5);
+            return pb_1.Message.getFieldWithDefault(this, 5, []);
         }
         set tags(value) {
             pb_1.Message.setField(this, 5, value);
@@ -1280,15 +1649,15 @@ var scip;
         }
         serialize(w) {
             const writer = w || new pb_1.BinaryWriter();
-            if (this.severity !== undefined)
+            if (this.severity != Severity.UnspecifiedSeverity)
                 writer.writeEnum(1, this.severity);
-            if (typeof this.code === "string" && this.code.length)
+            if (this.code.length)
                 writer.writeString(2, this.code);
-            if (typeof this.message === "string" && this.message.length)
+            if (this.message.length)
                 writer.writeString(3, this.message);
-            if (typeof this.source === "string" && this.source.length)
+            if (this.source.length)
                 writer.writeString(4, this.source);
-            if (this.tags !== undefined)
+            if (this.tags.length)
                 writer.writePackedEnum(5, this.tags);
             if (!w)
                 return writer.getResultBuffer();
@@ -1326,5 +1695,6 @@ var scip;
             return Diagnostic.deserialize(bytes);
         }
     }
+    _Diagnostic_one_of_decls = new WeakMap();
     scip.Diagnostic = Diagnostic;
 })(scip = exports.scip || (exports.scip = {}));
diff --git a/bindings/typescript/scip.ts b/bindings/typescript/scip.ts
index 4c77f122..e3a52b8c 100644
--- a/bindings/typescript/scip.ts
+++ b/bindings/typescript/scip.ts
@@ -1750,7 +1750,7 @@ export namespace scip {
             pb_1.Message.setField(this, 4, value);
         }
         get tags() {
-            return pb_1.Message.getFieldWithDefault(this, 5, DiagnosticTag.UnspecifiedDiagnosticTag) as DiagnosticTag[];
+            return pb_1.Message.getFieldWithDefault(this, 5, []) as DiagnosticTag[];
         }
         set tags(value: DiagnosticTag[]) {
             pb_1.Message.setField(this, 5, value);
diff --git a/package.json b/package.json
index e268b382..d6ccc38c 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
   "author": "SCIP authors",
   "license": "MIT",
   "scripts": {
+    "build": "./node_modules/.bin/tsc --build --force bindings/typescript",
     "prettier": "./node_modules/prettier/bin-prettier.js --write --list-different '**/*.{ts,js(on)?,md,yml}'",
     "prettier-check": "./node_modules/prettier/bin-prettier.js --check '**/*.{ts,js(on)?,md,yml}'"
   },
diff --git a/yarn.lock b/yarn.lock
index 4220ee1c..ffbe805e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -22,17 +22,17 @@ prettier@^2.8.8:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.8.tgz#e8c5d7e98a4305ffe3de2e1fc4aca1a71c28b1da"
   integrity sha512-tdN8qQGvNjw4CHbY+XXk0JgCXn9QiF21a55rBe5LJAU+kDyC4WQn4+awm2Xfk2lQMk5fKup9XgzTZtGkjBdP9Q==
 
-protoc-gen-ts@0.8.5:
-  version "0.8.5"
-  resolved "https://registry.yarnpkg.com/protoc-gen-ts/-/protoc-gen-ts-0.8.5.tgz#5c277ff90b6b38f52313b1b0ad69e6c825305b29"
-  integrity sha512-LHZ+w/+DqmdgnhPtShgqtPtdv+hJ9bAXEIqNU0kkY2bPcCVIEWz5seOv20FCw6gbKorriTGP8xgz2RsIcrRvVw==
+protoc-gen-ts@0.8.6:
+  version "0.8.6"
+  resolved "https://registry.yarnpkg.com/protoc-gen-ts/-/protoc-gen-ts-0.8.6.tgz#e789a6fc3fbe09bdc119acecc349b9554ec5940e"
+  integrity sha512-66oeorGy4QBvYjQGd/gaeOYyFqKyRmRgTpofmnw8buMG0P7A0jQjoKSvKJz5h5tNUaVkIzvGBUTRVGakrhhwpA==
 
 tree-sitter-cli@^0.20.4:
   version "0.20.6"
   resolved "https://registry.yarnpkg.com/tree-sitter-cli/-/tree-sitter-cli-0.20.6.tgz#2a7202190d7bd64e112b451f94573dbe40a04f04"
   integrity sha512-tjbAeuGSMhco/EnsThjWkQbDIYMDmdkWsTPsa/NJAW7bjaki9P7oM9TkLxfdlnm4LXd1wR5wVSM2/RTLtZbm6A==
 
-typescript@^4.7.4:
-  version "4.7.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.7.4.tgz#1a88596d1cf47d59507a1bcdfb5b9dfe4d488235"
-  integrity sha512-C0WQT0gezHuw6AdY1M2jxUO83Rjf0HP7Sk1DtXj6j1EwkQNZrHAg2XPWlq62oqEhYvONq5pkC2Y9oPljWToLmQ==
+typescript@^4.9.0:
+  version "4.9.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.5.tgz#095979f9bcc0d09da324d58d03ce8f8374cbe65a"
+  integrity sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==