PFNGLMAPTEXTURE2DINTELPROC typedef
        PFNGLMAPTEXTURE2DINTELPROC =
     Pointer<NativeType>  Function(Uint32 texture, Int32 level, Uint32 access, Pointer<Int32>  stride, Pointer<Uint32>  layout)
    
    
    
Implementation
typedef PFNGLMAPTEXTURE2DINTELPROC =
    Pointer<NativeType> Function(
      Uint32 texture,
      Int32 level,
      Uint32 access,
      Pointer<Int32> stride,
      Pointer<Uint32> layout,
    );