Merge pull request #5164 from kcoley/glTFSerializerHidden

glTF serializer: remove exporter.extensions from public api documentation

serializers/src/glTF/2.0/Extensions/KHR_texture_transform.ts

@@ -1,5 +1,8 @@
 /// <reference path="../../../../../dist/preview release/gltf2Interface/babylon.glTF2Interface.d.ts"/>
 
+/**
+ * @hidden
+ */
 module BABYLON.GLTF2.Exporter.Extensions {
     const NAME = "KHR_texture_transform";
 

serializers/src/glTF/2.0/babylon.glTFExporterExtension.ts

@@ -23,13 +23,5 @@ module BABYLON.GLTF2.Exporter {
          * @param binaryWriter glTF serializer binary writer instance
          */
         postExportMeshPrimitiveAsync?(context: string, meshPrimitive: IMeshPrimitive, babylonSubMesh: SubMesh, binaryWriter: _BinaryWriter): Nullable<Promise<IMeshPrimitive>>;
-
-
     }
-}
-
-/**
- * Defines the module for the built-in glTF 2.0 exporter extensions.
- */
-module BABYLON.GLTF2.Extensions {
 }