PFNGLGETPOINTERINDEXEDVEXTPROC typedef
        PFNGLGETPOINTERINDEXEDVEXTPROC =
     Void Function(Uint32 target, Uint32 index, Pointer<Pointer<NativeType> >  data)
    
    
    
Implementation
typedef PFNGLGETPOINTERINDEXEDVEXTPROC =
    Void Function(
      Uint32 target,
      Uint32 index,
      Pointer<Pointer<NativeType>> data,
    );