PFNGLGETNUNIFORMUI64VARBPROCDart typedef
        PFNGLGETNUNIFORMUI64VARBPROCDart =
     void Function(int program, int location, int bufSize, Pointer<Uint64>  params)
    
    
    
Implementation
typedef PFNGLGETNUNIFORMUI64VARBPROCDart =
    void Function(
      int program,
      int location,
      int bufSize,
      Pointer<Uint64> params,
    );