diff --git a/Alert/AlertInterface.php b/Alert/AlertInterface.php
index 139e0ac2..6604b217 100644
--- a/Alert/AlertInterface.php
+++ b/Alert/AlertInterface.php
@@ -11,7 +11,7 @@
 
 namespace WBW\Bundle\BootstrapBundle\Alert;
 
-use WBW\Bundle\BootstrapBundle\BootstrapInterface;
+use WBW\Bundle\BootstrapBundle\WBWBootstrapInterface;
 
 /**
  * Alert interface.
@@ -26,56 +26,56 @@ interface AlertInterface {
      *
      * @var string
      */
-    const ALERT_TYPE_DANGER = BootstrapInterface::BOOTSTRAP_DANGER;
+    const ALERT_TYPE_DANGER = WBWBootstrapInterface::BOOTSTRAP_DANGER;
 
     /**
      * Alert type "dark".
      *
      * @var string
      */
-    const ALERT_TYPE_DARK = BootstrapInterface::BOOTSTRAP_DARK;
+    const ALERT_TYPE_DARK = WBWBootstrapInterface::BOOTSTRAP_DARK;
 
     /**
      * Alert type "info".
      *
      * @var string
      */
-    const ALERT_TYPE_INFO = BootstrapInterface::BOOTSTRAP_INFO;
+    const ALERT_TYPE_INFO = WBWBootstrapInterface::BOOTSTRAP_INFO;
 
     /**
      * Alert type "light".
      *
      * @var string
      */
-    const ALERT_TYPE_LIGHT = BootstrapInterface::BOOTSTRAP_LIGHT;
+    const ALERT_TYPE_LIGHT = WBWBootstrapInterface::BOOTSTRAP_LIGHT;
 
     /**
      * Alert type "primary".
      *
      * @var string
      */
-    const ALERT_TYPE_PRIMARY = BootstrapInterface::BOOTSTRAP_PRIMARY;
+    const ALERT_TYPE_PRIMARY = WBWBootstrapInterface::BOOTSTRAP_PRIMARY;
 
     /**
      * Alert type "secondary".
      *
      * @var string
      */
-    const ALERT_TYPE_SECONDARY = BootstrapInterface::BOOTSTRAP_SECONDARY;
+    const ALERT_TYPE_SECONDARY = WBWBootstrapInterface::BOOTSTRAP_SECONDARY;
 
     /**
      * Alert type "success".
      *
      * @var string
      */
-    const ALERT_TYPE_SUCCESS = BootstrapInterface::BOOTSTRAP_SUCCESS;
+    const ALERT_TYPE_SUCCESS = WBWBootstrapInterface::BOOTSTRAP_SUCCESS;
 
     /**
      * Alert type "warning".
      *
      * @var string
      */
-    const ALERT_TYPE_WARNING = BootstrapInterface::BOOTSTRAP_WARNING;
+    const ALERT_TYPE_WARNING = WBWBootstrapInterface::BOOTSTRAP_WARNING;
 
     /**
      * Get the content.
diff --git a/Badge/BadgeInterface.php b/Badge/BadgeInterface.php
index e0b360c1..80e0364e 100644
--- a/Badge/BadgeInterface.php
+++ b/Badge/BadgeInterface.php
@@ -11,7 +11,7 @@
 
 namespace WBW\Bundle\BootstrapBundle\Badge;
 
-use WBW\Bundle\BootstrapBundle\BootstrapInterface;
+use WBW\Bundle\BootstrapBundle\WBWBootstrapInterface;
 
 /**
  * Badge interface.
@@ -26,56 +26,56 @@ interface BadgeInterface {
      *
      * @var string
      */
-    const BADGE_TYPE_DANGER = BootstrapInterface::BOOTSTRAP_DANGER;
+    const BADGE_TYPE_DANGER = WBWBootstrapInterface::BOOTSTRAP_DANGER;
 
     /**
      * Badge type "dark".
      *
      * @var string
      */
-    const BADGE_TYPE_DARK = BootstrapInterface::BOOTSTRAP_DARK;
+    const BADGE_TYPE_DARK = WBWBootstrapInterface::BOOTSTRAP_DARK;
 
     /**
      * Badge type "info".
      *
      * @var string
      */
-    const BADGE_TYPE_INFO = BootstrapInterface::BOOTSTRAP_INFO;
+    const BADGE_TYPE_INFO = WBWBootstrapInterface::BOOTSTRAP_INFO;
 
     /**
      * Badge type "light".
      *
      * @var string
      */
-    const BADGE_TYPE_LIGHT = BootstrapInterface::BOOTSTRAP_LIGHT;
+    const BADGE_TYPE_LIGHT = WBWBootstrapInterface::BOOTSTRAP_LIGHT;
 
     /**
      * Badge type "primary".
      *
      * @var string
      */
-    const BADGE_TYPE_PRIMARY = BootstrapInterface::BOOTSTRAP_PRIMARY;
+    const BADGE_TYPE_PRIMARY = WBWBootstrapInterface::BOOTSTRAP_PRIMARY;
 
     /**
      * Badge type "secondary".
      *
      * @var string
      */
-    const BADGE_TYPE_SECONDARY = BootstrapInterface::BOOTSTRAP_SECONDARY;
+    const BADGE_TYPE_SECONDARY = WBWBootstrapInterface::BOOTSTRAP_SECONDARY;
 
     /**
      * Badge type "success".
      *
      * @var string
      */
-    const BADGE_TYPE_SUCCESS = BootstrapInterface::BOOTSTRAP_SUCCESS;
+    const BADGE_TYPE_SUCCESS = WBWBootstrapInterface::BOOTSTRAP_SUCCESS;
 
     /**
      * Badge type "warning".
      *
      * @var string
      */
-    const BADGE_TYPE_WARNING = BootstrapInterface::BOOTSTRAP_WARNING;
+    const BADGE_TYPE_WARNING = WBWBootstrapInterface::BOOTSTRAP_WARNING;
 
     /**
      * Get the content.
diff --git a/BootstrapInterface.php b/BootstrapInterface.php
index 2e0db69e..18342032 100644
--- a/BootstrapInterface.php
+++ b/BootstrapInterface.php
@@ -16,6 +16,7 @@
  *
  * @author webeweb <https://github.com/webeweb/>
  * @package WBW\Bundle\BootstrapBundle
+ * @deprecated since 3.5.0, use {@see WBW\Bundle\BootstrapBundle\BootstrapInterface}
  */
 interface BootstrapInterface {
 
@@ -24,75 +25,75 @@ interface BootstrapInterface {
      *
      * @var string
      */
-    const BOOTSTRAP_DANGER = "danger";
+    const BOOTSTRAP_DANGER = WBWBootstrapInterface::BOOTSTRAP_DANGER;
 
     /**
      * Bootstrap "dark".
      *
      * @var string
      */
-    const BOOTSTRAP_DARK = "dark";
+    const BOOTSTRAP_DARK = WBWBootstrapInterface::BOOTSTRAP_DARK;
 
     /**
      * Bootstrap "default".
      *
      * @var string
      */
-    const BOOTSTRAP_DEFAULT = "default";
+    const BOOTSTRAP_DEFAULT = WBWBootstrapInterface::BOOTSTRAP_DEFAULT;
 
     /**
      * Bootstrap "info".
      *
      * @var string
      */
-    const BOOTSTRAP_INFO = "info";
+    const BOOTSTRAP_INFO = WBWBootstrapInterface::BOOTSTRAP_INFO;
 
     /**
      * Bootstrap "light".
      *
      * @var string
      */
-    const BOOTSTRAP_LIGHT = "light";
+    const BOOTSTRAP_LIGHT = WBWBootstrapInterface::BOOTSTRAP_LIGHT;
 
     /**
      * Bootstrap "primary".
      *
      * @var string
      */
-    const BOOTSTRAP_PRIMARY = "primary";
+    const BOOTSTRAP_PRIMARY = WBWBootstrapInterface::BOOTSTRAP_PRIMARY;
 
     /**
      * Bootstrap "secondary".
      *
      * @var string
      */
-    const BOOTSTRAP_SECONDARY = "secondary";
+    const BOOTSTRAP_SECONDARY = WBWBootstrapInterface::BOOTSTRAP_SECONDARY;
 
     /**
      * Bootstrap "success".
      *
      * @var string
      */
-    const BOOTSTRAP_SUCCESS = "success";
+    const BOOTSTRAP_SUCCESS = WBWBootstrapInterface::BOOTSTRAP_SUCCESS;
 
     /**
      * Bootstrap version 3.
      *
      * @var string
      */
-    const BOOTSTRAP_VERSION_3 = "3.4.1";
+    const BOOTSTRAP_VERSION_3 = WBWBootstrapInterface::BOOTSTRAP_VERSION_3;
 
     /**
      * Bootstrap version 4.
      *
      * @var string
      */
-    const BOOTSTRAP_VERSION_4 = "4.3.1";
+    const BOOTSTRAP_VERSION_4 = WBWBootstrapInterface::BOOTSTRAP_VERSION_4;
 
     /**
      * Bootstrap "warning".
      *
      * @var string
      */
-    const BOOTSTRAP_WARNING = "warning";
+    const BOOTSTRAP_WARNING = WBWBootstrapInterface::BOOTSTRAP_WARNING;
 }
diff --git a/Button/ButtonInterface.php b/Button/ButtonInterface.php
index 1c11cd5f..539d9433 100644
--- a/Button/ButtonInterface.php
+++ b/Button/ButtonInterface.php
@@ -11,7 +11,7 @@
 
 namespace WBW\Bundle\BootstrapBundle\Button;
 
-use WBW\Bundle\BootstrapBundle\BootstrapInterface;
+use WBW\Bundle\BootstrapBundle\WBWBootstrapInterface;
 
 /**
  * Button interface.
@@ -47,35 +47,35 @@ interface ButtonInterface {
      *
      * @var string
      */
-    const BUTTON_TYPE_DANGER = BootstrapInterface::BOOTSTRAP_DANGER;
+    const BUTTON_TYPE_DANGER = WBWBootstrapInterface::BOOTSTRAP_DANGER;
 
     /**
      * Button type "dark".
      *
      * @var string
      */
-    const BUTTON_TYPE_DARK = BootstrapInterface::BOOTSTRAP_DARK;
+    const BUTTON_TYPE_DARK = WBWBootstrapInterface::BOOTSTRAP_DARK;
 
     /**
      * Button type "default".
      *
      * @var string
      */
-    const BUTTON_TYPE_DEFAULT = BootstrapInterface::BOOTSTRAP_DEFAULT;
+    const BUTTON_TYPE_DEFAULT = WBWBootstrapInterface::BOOTSTRAP_DEFAULT;
 
     /**
      * Button type "info".
      *
      * @var string
      */
-    const BUTTON_TYPE_INFO = BootstrapInterface::BOOTSTRAP_INFO;
+    const BUTTON_TYPE_INFO = WBWBootstrapInterface::BOOTSTRAP_INFO;
 
     /**
      * Button type "light".
      *
      * @var string
      */
-    const BUTTON_TYPE_LIGHT = BootstrapInterface::BOOTSTRAP_LIGHT;
+    const BUTTON_TYPE_LIGHT = WBWBootstrapInterface::BOOTSTRAP_LIGHT;
 
     /**
      * Button type "link".
@@ -89,25 +89,25 @@ interface ButtonInterface {
      *
      * @var string
      */
-    const BUTTON_TYPE_PRIMARY = BootstrapInterface::BOOTSTRAP_PRIMARY;
+    const BUTTON_TYPE_PRIMARY = WBWBootstrapInterface::BOOTSTRAP_PRIMARY;
     /**
      * Button type "secondary".
      *
      * @var string
      */
-    const BUTTON_TYPE_SECONDARY = BootstrapInterface::BOOTSTRAP_SECONDARY;
+    const BUTTON_TYPE_SECONDARY = WBWBootstrapInterface::BOOTSTRAP_SECONDARY;
     /**
      * Button type "success".
      *
      * @var string
      */
-    const BUTTON_TYPE_SUCCESS = BootstrapInterface::BOOTSTRAP_SUCCESS;
+    const BUTTON_TYPE_SUCCESS = WBWBootstrapInterface::BOOTSTRAP_SUCCESS;
     /**
      * Button type "warning".
      *
      * @var string
      */
-    const BUTTON_TYPE_WARNING = BootstrapInterface::BOOTSTRAP_WARNING;
+    const BUTTON_TYPE_WARNING = WBWBootstrapInterface::BOOTSTRAP_WARNING;
 
     /**
      * Get the active.
diff --git a/ProgressBar/ProgressBarInterface.php b/ProgressBar/ProgressBarInterface.php
index 84fc30fa..87eb9eb3 100644
--- a/ProgressBar/ProgressBarInterface.php
+++ b/ProgressBar/ProgressBarInterface.php
@@ -11,7 +11,7 @@
 
 namespace WBW\Bundle\BootstrapBundle\ProgressBar;
 
-use WBW\Bundle\BootstrapBundle\BootstrapInterface;
+use WBW\Bundle\BootstrapBundle\WBWBootstrapInterface;
 
 /**
  * Progress bar interface.
@@ -26,28 +26,28 @@ interface ProgressBarInterface {
      *
      * @var string
      */
-    const PROGRESS_BAR_TYPE_DANGER = BootstrapInterface::BOOTSTRAP_DANGER;
+    const PROGRESS_BAR_TYPE_DANGER = WBWBootstrapInterface::BOOTSTRAP_DANGER;
 
     /**
      * Progress bar type "info".
      *
      * @var string
      */
-    const PROGRESS_BAR_TYPE_INFO = BootstrapInterface::BOOTSTRAP_INFO;
+    const PROGRESS_BAR_TYPE_INFO = WBWBootstrapInterface::BOOTSTRAP_INFO;
 
     /**
      * Progress bar type "success".
      *
      * @var string
      */
-    const PROGRESS_BAR_TYPE_SUCCESS = BootstrapInterface::BOOTSTRAP_SUCCESS;
+    const PROGRESS_BAR_TYPE_SUCCESS = WBWBootstrapInterface::BOOTSTRAP_SUCCESS;
 
     /**
      * Progress bar type "warning".
      *
      * @var string
      */
-    const PROGRESS_BAR_TYPE_WARNING = BootstrapInterface::BOOTSTRAP_WARNING;
+    const PROGRESS_BAR_TYPE_WARNING = WBWBootstrapInterface::BOOTSTRAP_WARNING;
 
     /**
      * Get the animated.
diff --git a/Tests/Alert/AlertInterfaceTest.php b/Tests/Alert/AlertInterfaceTest.php
index 996d2c27..ef8ecbd2 100644
--- a/Tests/Alert/AlertInterfaceTest.php
+++ b/Tests/Alert/AlertInterfaceTest.php
@@ -12,7 +12,7 @@
 namespace WBW\Bundle\BootstrapBundle\Tests\Alert;
 
 use WBW\Bundle\BootstrapBundle\Alert\AlertInterface;
-use WBW\Bundle\BootstrapBundle\BootstrapInterface;
+use WBW\Bundle\BootstrapBundle\WBWBootstrapInterface;
 use WBW\Bundle\BootstrapBundle\Tests\AbstractTestCase;
 
 /**
@@ -30,13 +30,13 @@ class AlertInterfaceTest extends AbstractTestCase {
      */
     public function testConstruct() {
 
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_DANGER, AlertInterface::ALERT_TYPE_DANGER);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_DARK, AlertInterface::ALERT_TYPE_DARK);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_INFO, AlertInterface::ALERT_TYPE_INFO);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_LIGHT, AlertInterface::ALERT_TYPE_LIGHT);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_PRIMARY, AlertInterface::ALERT_TYPE_PRIMARY);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_SECONDARY, AlertInterface::ALERT_TYPE_SECONDARY);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_SUCCESS, AlertInterface::ALERT_TYPE_SUCCESS);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_WARNING, AlertInterface::ALERT_TYPE_WARNING);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_DANGER, AlertInterface::ALERT_TYPE_DANGER);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_DARK, AlertInterface::ALERT_TYPE_DARK);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_INFO, AlertInterface::ALERT_TYPE_INFO);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_LIGHT, AlertInterface::ALERT_TYPE_LIGHT);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_PRIMARY, AlertInterface::ALERT_TYPE_PRIMARY);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_SECONDARY, AlertInterface::ALERT_TYPE_SECONDARY);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_SUCCESS, AlertInterface::ALERT_TYPE_SUCCESS);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_WARNING, AlertInterface::ALERT_TYPE_WARNING);
     }
 }
diff --git a/Tests/Badge/BadgeInterfaceTest.php b/Tests/Badge/BadgeInterfaceTest.php
index 8162ab2b..257c1b79 100644
--- a/Tests/Badge/BadgeInterfaceTest.php
+++ b/Tests/Badge/BadgeInterfaceTest.php
@@ -12,7 +12,7 @@
 namespace WBW\Bundle\BootstrapBundle\Tests\Badge;
 
 use WBW\Bundle\BootstrapBundle\Badge\BadgeInterface;
-use WBW\Bundle\BootstrapBundle\BootstrapInterface;
+use WBW\Bundle\BootstrapBundle\WBWBootstrapInterface;
 use WBW\Bundle\BootstrapBundle\Tests\AbstractTestCase;
 
 /**
@@ -30,13 +30,13 @@ class BadgeInterfaceTest extends AbstractTestCase {
      */
     public function testConstruct() {
 
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_DANGER, BadgeInterface::BADGE_TYPE_DANGER);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_DARK, BadgeInterface::BADGE_TYPE_DARK);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_INFO, BadgeInterface::BADGE_TYPE_INFO);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_LIGHT, BadgeInterface::BADGE_TYPE_LIGHT);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_PRIMARY, BadgeInterface::BADGE_TYPE_PRIMARY);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_SECONDARY, BadgeInterface::BADGE_TYPE_SECONDARY);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_SUCCESS, BadgeInterface::BADGE_TYPE_SUCCESS);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_WARNING, BadgeInterface::BADGE_TYPE_WARNING);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_DANGER, BadgeInterface::BADGE_TYPE_DANGER);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_DARK, BadgeInterface::BADGE_TYPE_DARK);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_INFO, BadgeInterface::BADGE_TYPE_INFO);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_LIGHT, BadgeInterface::BADGE_TYPE_LIGHT);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_PRIMARY, BadgeInterface::BADGE_TYPE_PRIMARY);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_SECONDARY, BadgeInterface::BADGE_TYPE_SECONDARY);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_SUCCESS, BadgeInterface::BADGE_TYPE_SUCCESS);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_WARNING, BadgeInterface::BADGE_TYPE_WARNING);
     }
 }
diff --git a/Tests/BootstrapInterfaceTest.php b/Tests/BootstrapInterfaceTest.php
index 76c9e3fe..ed4ac878 100644
--- a/Tests/BootstrapInterfaceTest.php
+++ b/Tests/BootstrapInterfaceTest.php
@@ -12,6 +12,7 @@
 namespace WBW\Bundle\BootstrapBundle\Tests;
 
 use WBW\Bundle\BootstrapBundle\BootstrapInterface;
+use WBW\Bundle\BootstrapBundle\WBWBootstrapInterface;
 
 /**
  * Bootstrap interface test.
@@ -28,17 +29,17 @@ class BootstrapInterfaceTest extends AbstractTestCase {
      */
     public function testConstruct() {
 
-        $this->assertEquals("3.4.1", BootstrapInterface::BOOTSTRAP_VERSION_3);
-        $this->assertEquals("4.3.1", BootstrapInterface::BOOTSTRAP_VERSION_4);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_VERSION_3, BootstrapInterface::BOOTSTRAP_VERSION_3);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_VERSION_4, BootstrapInterface::BOOTSTRAP_VERSION_4);
 
-        $this->assertEquals("danger", BootstrapInterface::BOOTSTRAP_DANGER);
-        $this->assertEquals("dark", BootstrapInterface::BOOTSTRAP_DARK);
-        $this->assertEquals("default", BootstrapInterface::BOOTSTRAP_DEFAULT);
-        $this->assertEquals("info", BootstrapInterface::BOOTSTRAP_INFO);
-        $this->assertEquals("light", BootstrapInterface::BOOTSTRAP_LIGHT);
-        $this->assertEquals("primary", BootstrapInterface::BOOTSTRAP_PRIMARY);
-        $this->assertEquals("secondary", BootstrapInterface::BOOTSTRAP_SECONDARY);
-        $this->assertEquals("success", BootstrapInterface::BOOTSTRAP_SUCCESS);
-        $this->assertEquals("warning", BootstrapInterface::BOOTSTRAP_WARNING);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_DANGER, BootstrapInterface::BOOTSTRAP_DANGER);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_DARK, BootstrapInterface::BOOTSTRAP_DARK);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_DEFAULT, BootstrapInterface::BOOTSTRAP_DEFAULT);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_INFO, BootstrapInterface::BOOTSTRAP_INFO);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_LIGHT, BootstrapInterface::BOOTSTRAP_LIGHT);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_PRIMARY, BootstrapInterface::BOOTSTRAP_PRIMARY);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_SECONDARY, BootstrapInterface::BOOTSTRAP_SECONDARY);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_SUCCESS, BootstrapInterface::BOOTSTRAP_SUCCESS);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_WARNING, BootstrapInterface::BOOTSTRAP_WARNING);
     }
 }
diff --git a/Tests/Button/ButtonInterfaceTest.php b/Tests/Button/ButtonInterfaceTest.php
index 697caf11..4f603806 100644
--- a/Tests/Button/ButtonInterfaceTest.php
+++ b/Tests/Button/ButtonInterfaceTest.php
@@ -11,7 +11,7 @@
 
 namespace WBW\Bundle\BootstrapBundle\Tests\Button;
 
-use WBW\Bundle\BootstrapBundle\BootstrapInterface;
+use WBW\Bundle\BootstrapBundle\WBWBootstrapInterface;
 use WBW\Bundle\BootstrapBundle\Button\ButtonInterface;
 use WBW\Bundle\BootstrapBundle\Tests\AbstractTestCase;
 
@@ -34,15 +34,15 @@ public function testConstruct() {
         $this->assertEquals("sm", ButtonInterface::BUTTON_SIZE_SM);
         $this->assertEquals("xs", ButtonInterface::BUTTON_SIZE_XS);
 
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_DANGER, ButtonInterface::BUTTON_TYPE_DANGER);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_DARK, ButtonInterface::BUTTON_TYPE_DARK);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_DEFAULT, ButtonInterface::BUTTON_TYPE_DEFAULT);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_INFO, ButtonInterface::BUTTON_TYPE_INFO);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_LIGHT, ButtonInterface::BUTTON_TYPE_LIGHT);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_DANGER, ButtonInterface::BUTTON_TYPE_DANGER);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_DARK, ButtonInterface::BUTTON_TYPE_DARK);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_DEFAULT, ButtonInterface::BUTTON_TYPE_DEFAULT);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_INFO, ButtonInterface::BUTTON_TYPE_INFO);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_LIGHT, ButtonInterface::BUTTON_TYPE_LIGHT);
         $this->assertEquals("link", ButtonInterface::BUTTON_TYPE_LINK);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_PRIMARY, ButtonInterface::BUTTON_TYPE_PRIMARY);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_SECONDARY, ButtonInterface::BUTTON_TYPE_SECONDARY);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_SUCCESS, ButtonInterface::BUTTON_TYPE_SUCCESS);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_WARNING, ButtonInterface::BUTTON_TYPE_WARNING);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_PRIMARY, ButtonInterface::BUTTON_TYPE_PRIMARY);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_SECONDARY, ButtonInterface::BUTTON_TYPE_SECONDARY);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_SUCCESS, ButtonInterface::BUTTON_TYPE_SUCCESS);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_WARNING, ButtonInterface::BUTTON_TYPE_WARNING);
     }
 }
diff --git a/Tests/Controller/LayoutControllerTest.php b/Tests/Controller/LayoutControllerTest.php
index c14d6e1d..98f78b2f 100644
--- a/Tests/Controller/LayoutControllerTest.php
+++ b/Tests/Controller/LayoutControllerTest.php
@@ -11,7 +11,7 @@
 
 namespace WBW\Bundle\BootstrapBundle\Tests\Controller;
 
-use WBW\Bundle\BootstrapBundle\BootstrapInterface;
+use WBW\Bundle\BootstrapBundle\WBWBootstrapInterface;
 use WBW\Bundle\BootstrapBundle\Tests\AbstractWebTestCase;
 
 /**
@@ -82,8 +82,8 @@ public function testLayout3Action() {
         $this->assertEquals("text/html; charset=UTF-8", $client->getResponse()->headers->get("Content-Type"));
 
         // Check the Bootstrap version.
-        //$this->assertContains(BootstrapInterface::BOOTSTRAP_VERSION_3 . "/css", $client->getResponse()->getContent());
-        //$this->assertContains(BootstrapInterface::BOOTSTRAP_VERSION_3 . "/js", $client->getResponse()->getContent());
+        //$this->assertContains(WBWBootstrapInterface::BOOTSTRAP_VERSION_3 . "/css", $client->getResponse()->getContent());
+        //$this->assertContains(WBWBootstrapInterface::BOOTSTRAP_VERSION_3 . "/js", $client->getResponse()->getContent());
     }
 
     /**
@@ -100,8 +100,8 @@ public function testLayout4Action() {
         $this->assertEquals("text/html; charset=UTF-8", $client->getResponse()->headers->get("Content-Type"));
 
         // Check the Bootstrap version.
-        $this->assertContains(BootstrapInterface::BOOTSTRAP_VERSION_4 . "/css", $client->getResponse()->getContent());
-        $this->assertContains(BootstrapInterface::BOOTSTRAP_VERSION_4 . "/js", $client->getResponse()->getContent());
+        $this->assertContains(WBWBootstrapInterface::BOOTSTRAP_VERSION_4 . "/css", $client->getResponse()->getContent());
+        $this->assertContains(WBWBootstrapInterface::BOOTSTRAP_VERSION_4 . "/js", $client->getResponse()->getContent());
     }
 
     /**
@@ -118,8 +118,8 @@ public function testLayoutAction() {
         $this->assertEquals("text/html; charset=UTF-8", $client->getResponse()->headers->get("Content-Type"));
 
         // Check the Bootstrap version.
-        $this->assertContains(BootstrapInterface::BOOTSTRAP_VERSION_4 . "/css", $client->getResponse()->getContent());
-        $this->assertContains(BootstrapInterface::BOOTSTRAP_VERSION_4 . "/js", $client->getResponse()->getContent());
+        $this->assertContains(WBWBootstrapInterface::BOOTSTRAP_VERSION_4 . "/css", $client->getResponse()->getContent());
+        $this->assertContains(WBWBootstrapInterface::BOOTSTRAP_VERSION_4 . "/js", $client->getResponse()->getContent());
     }
 
     /**
diff --git a/Tests/Helper/AssetsHelperTest.php b/Tests/Helper/AssetsHelperTest.php
index e74c49c0..d946039c 100644
--- a/Tests/Helper/AssetsHelperTest.php
+++ b/Tests/Helper/AssetsHelperTest.php
@@ -12,7 +12,7 @@
 namespace WBW\Bundle\BootstrapBundle\Tests\Helper;
 
 use Exception;
-use WBW\Bundle\BootstrapBundle\BootstrapInterface;
+use WBW\Bundle\BootstrapBundle\WBWBootstrapInterface;
 use WBW\Bundle\BootstrapBundle\Tests\AbstractTestCase;
 use WBW\Bundle\CoreBundle\Tests\Fixtures\Helper\TestAssetsHelper;
 
@@ -52,8 +52,8 @@ public function testListAssets() {
         $res = TestAssetsHelper::listAssets($this->directoryAssets);
         $this->assertCount(19, $res);
 
-        $this->assertRegExp("/bootstrap\-" . preg_quote(BootstrapInterface::BOOTSTRAP_VERSION_3, ".") . "\.zip$/", $res[0]);
-        $this->assertRegExp("/bootstrap\-" . preg_quote(BootstrapInterface::BOOTSTRAP_VERSION_4, ".") . "\.zip$/", $res[1]);
+        $this->assertRegExp("/bootstrap\-" . preg_quote(WBWBootstrapInterface::BOOTSTRAP_VERSION_3, ".") . "\.zip$/", $res[0]);
+        $this->assertRegExp("/bootstrap\-" . preg_quote(WBWBootstrapInterface::BOOTSTRAP_VERSION_4, ".") . "\.zip$/", $res[1]);
         $this->assertRegExp("/bootstrap\-colorpicker\-.*\.zip$/", $res[2]);
         $this->assertRegExp("/bootstrap\-datepicker\-.*\.zip$/", $res[3]);
         $this->assertRegExp("/bootstrap\-daterangepicker\-.*\.zip$/", $res[4]);
diff --git a/Tests/ProgressBar/ProgressBarInterfaceTest.php b/Tests/ProgressBar/ProgressBarInterfaceTest.php
index bafe48bc..315ddd50 100644
--- a/Tests/ProgressBar/ProgressBarInterfaceTest.php
+++ b/Tests/ProgressBar/ProgressBarInterfaceTest.php
@@ -11,7 +11,7 @@
 
 namespace WBW\Bundle\BootstrapBundle\Tests\ProgressBar;
 
-use WBW\Bundle\BootstrapBundle\BootstrapInterface;
+use WBW\Bundle\BootstrapBundle\WBWBootstrapInterface;
 use WBW\Bundle\BootstrapBundle\ProgressBar\ProgressBarInterface;
 use WBW\Bundle\BootstrapBundle\Tests\AbstractTestCase;
 
@@ -30,9 +30,9 @@ class ProgressBarInterfaceTest extends AbstractTestCase {
      */
     public function testConstruct() {
 
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_DANGER, ProgressBarInterface::PROGRESS_BAR_TYPE_DANGER);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_INFO, ProgressBarInterface::PROGRESS_BAR_TYPE_INFO);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_SUCCESS, ProgressBarInterface::PROGRESS_BAR_TYPE_SUCCESS);
-        $this->assertEquals(BootstrapInterface::BOOTSTRAP_WARNING, ProgressBarInterface::PROGRESS_BAR_TYPE_WARNING);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_DANGER, ProgressBarInterface::PROGRESS_BAR_TYPE_DANGER);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_INFO, ProgressBarInterface::PROGRESS_BAR_TYPE_INFO);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_SUCCESS, ProgressBarInterface::PROGRESS_BAR_TYPE_SUCCESS);
+        $this->assertEquals(WBWBootstrapInterface::BOOTSTRAP_WARNING, ProgressBarInterface::PROGRESS_BAR_TYPE_WARNING);
     }
 }
diff --git a/Tests/WBWBootstrapInterfaceTest.php b/Tests/WBWBootstrapInterfaceTest.php
new file mode 100644
index 00000000..2c56b412
--- /dev/null
+++ b/Tests/WBWBootstrapInterfaceTest.php
@@ -0,0 +1,44 @@
+<?php
+
+/*
+ * This file is part of the bootstrap-bundle package.
+ *
+ * (c) 2019 WEBEWEB
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace WBW\Bundle\BootstrapBundle\Tests;
+
+use WBW\Bundle\BootstrapBundle\WBWBootstrapInterface;
+
+/**
+ * Bootstrap interface test.
+ *
+ * @author webeweb <https://github.com/webeweb/>
+ * @package WBW\Bundle\BootstrapBundle\Tests
+ */
+class WBWBootstrapInterfaceTest extends AbstractTestCase {
+
+    /**
+     * Tests the __construct() method.
+     *
+     * @return void
+     */
+    public function testConstruct() {
+
+        $this->assertEquals("3.4.1", WBWBootstrapInterface::BOOTSTRAP_VERSION_3);
+        $this->assertEquals("4.4.1", WBWBootstrapInterface::BOOTSTRAP_VERSION_4);
+
+        $this->assertEquals("danger", WBWBootstrapInterface::BOOTSTRAP_DANGER);
+        $this->assertEquals("dark", WBWBootstrapInterface::BOOTSTRAP_DARK);
+        $this->assertEquals("default", WBWBootstrapInterface::BOOTSTRAP_DEFAULT);
+        $this->assertEquals("info", WBWBootstrapInterface::BOOTSTRAP_INFO);
+        $this->assertEquals("light", WBWBootstrapInterface::BOOTSTRAP_LIGHT);
+        $this->assertEquals("primary", WBWBootstrapInterface::BOOTSTRAP_PRIMARY);
+        $this->assertEquals("secondary", WBWBootstrapInterface::BOOTSTRAP_SECONDARY);
+        $this->assertEquals("success", WBWBootstrapInterface::BOOTSTRAP_SUCCESS);
+        $this->assertEquals("warning", WBWBootstrapInterface::BOOTSTRAP_WARNING);
+    }
+}
diff --git a/Twig/Extension/Component/LabelTwigExtension.php b/Twig/Extension/Component/LabelTwigExtension.php
index 78719a26..52029b12 100644
--- a/Twig/Extension/Component/LabelTwigExtension.php
+++ b/Twig/Extension/Component/LabelTwigExtension.php
@@ -12,7 +12,7 @@
 namespace WBW\Bundle\BootstrapBundle\Twig\Extension\Component;
 
 use Twig\TwigFunction;
-use WBW\Bundle\BootstrapBundle\BootstrapInterface;
+use WBW\Bundle\BootstrapBundle\WBWBootstrapInterface;
 use WBW\Library\Core\Argument\ArrayHelper;
 
 /**
@@ -38,7 +38,7 @@ class LabelTwigExtension extends AbstractLabelTwigExtension {
      * @return string Returns the Bootstrap label "danger".
      */
     public function bootstrapLabelDangerFunction(array $args = []) {
-        return $this->bootstrapLabel(ArrayHelper::get($args, "content"), "label-" . BootstrapInterface::BOOTSTRAP_DANGER);
+        return $this->bootstrapLabel(ArrayHelper::get($args, "content"), "label-" . WBWBootstrapInterface::BOOTSTRAP_DANGER);
     }
 
     /**
@@ -48,7 +48,7 @@ public function bootstrapLabelDangerFunction(array $args = []) {
      * @return string Returns the Bootstrap label "default".
      */
     public function bootstrapLabelDefaultFunction(array $args = []) {
-        return $this->bootstrapLabel(ArrayHelper::get($args, "content"), "label-" . BootstrapInterface::BOOTSTRAP_DEFAULT);
+        return $this->bootstrapLabel(ArrayHelper::get($args, "content"), "label-" . WBWBootstrapInterface::BOOTSTRAP_DEFAULT);
     }
 
     /**
@@ -58,7 +58,7 @@ public function bootstrapLabelDefaultFunction(array $args = []) {
      * @return string Returns the Bootstrap label "info".
      */
     public function bootstrapLabelInfoFunction(array $args = []) {
-        return $this->bootstrapLabel(ArrayHelper::get($args, "content"), "label-" . BootstrapInterface::BOOTSTRAP_INFO);
+        return $this->bootstrapLabel(ArrayHelper::get($args, "content"), "label-" . WBWBootstrapInterface::BOOTSTRAP_INFO);
     }
 
     /**
@@ -68,7 +68,7 @@ public function bootstrapLabelInfoFunction(array $args = []) {
      * @return string Returns the Bootstrap label "primary".
      */
     public function bootstrapLabelPrimaryFunction(array $args = []) {
-        return $this->bootstrapLabel(ArrayHelper::get($args, "content"), "label-" . BootstrapInterface::BOOTSTRAP_PRIMARY);
+        return $this->bootstrapLabel(ArrayHelper::get($args, "content"), "label-" . WBWBootstrapInterface::BOOTSTRAP_PRIMARY);
     }
 
     /**
@@ -78,7 +78,7 @@ public function bootstrapLabelPrimaryFunction(array $args = []) {
      * @return string Returns the Bootstrap label "success".
      */
     public function bootstrapLabelSuccessFunction(array $args = []) {
-        return $this->bootstrapLabel(ArrayHelper::get($args, "content"), "label-" . BootstrapInterface::BOOTSTRAP_SUCCESS);
+        return $this->bootstrapLabel(ArrayHelper::get($args, "content"), "label-" . WBWBootstrapInterface::BOOTSTRAP_SUCCESS);
     }
 
     /**
@@ -88,7 +88,7 @@ public function bootstrapLabelSuccessFunction(array $args = []) {
      * @return string Returns the Bootstrap label "warning".
      */
     public function bootstrapLabelWarningFunction(array $args = []) {
-        return $this->bootstrapLabel(ArrayHelper::get($args, "content"), "label-" . BootstrapInterface::BOOTSTRAP_WARNING);
+        return $this->bootstrapLabel(ArrayHelper::get($args, "content"), "label-" . WBWBootstrapInterface::BOOTSTRAP_WARNING);
     }
 
     /**
diff --git a/WBWBootstrapInterface.php b/WBWBootstrapInterface.php
new file mode 100644
index 00000000..8dca9901
--- /dev/null
+++ b/WBWBootstrapInterface.php
@@ -0,0 +1,96 @@
+<?php
+
+/*
+ * This file is part of the bootstrap-bundle package.
+ *
+ * (c) 2019 WEBEWEB
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace WBW\Bundle\BootstrapBundle;
+
+/**
+ * Bootstrap interface.
+ *
+ * @author webeweb <https://github.com/webeweb/>
+ */
+interface WBWBootstrapInterface {
+
+    /**
+     * Bootstrap "danger".
+     *
+     * @var string
+     */
+    const BOOTSTRAP_DANGER = "danger";
+
+    /**
+     * Bootstrap "dark".
+     *
+     * @var string
+     */
+    const BOOTSTRAP_DARK = "dark";
+
+    /**
+     * Bootstrap "default".
+     *
+     * @var string
+     */
+    const BOOTSTRAP_DEFAULT = "default";
+
+    /**
+     * Bootstrap "info".
+     *
+     * @var string
+     */
+    const BOOTSTRAP_INFO = "info";
+
+    /**
+     * Bootstrap "light".
+     *
+     * @var string
+     */
+    const BOOTSTRAP_LIGHT = "light";
+
+    /**
+     * Bootstrap "primary".
+     *
+     * @var string
+     */
+    const BOOTSTRAP_PRIMARY = "primary";
+
+    /**
+     * Bootstrap "secondary".
+     *
+     * @var string
+     */
+    const BOOTSTRAP_SECONDARY = "secondary";
+
+    /**
+     * Bootstrap "success".
+     *
+     * @var string
+     */
+    const BOOTSTRAP_SUCCESS = "success";
+
+    /**
+     * Bootstrap version 3.
+     *
+     * @var string
+     */
+    const BOOTSTRAP_VERSION_3 = "3.4.1";
+
+    /**
+     * Bootstrap version 4.
+     *
+     * @var string
+     */
+    const BOOTSTRAP_VERSION_4 = "4.4.1";
+
+    /**
+     * Bootstrap "warning".
+     *
+     * @var string
+     */
+    const BOOTSTRAP_WARNING = "warning";
+}