PFNGLSHADERSOURCEARBPROCDart typedef
        PFNGLSHADERSOURCEARBPROCDart =
     void Function(Pointer<NativeType>  shaderObj, int count, Pointer<Pointer<Int8> >  string, Pointer<Int32>  length)
    
    
    
Implementation
typedef PFNGLSHADERSOURCEARBPROCDart =
    void Function(
      Pointer<NativeType> shaderObj,
      int count,
      Pointer<Pointer<Int8>> string,
      Pointer<Int32> length,
    );