PFNGLNAMEDCOPYBUFFERSUBDATAEXTPROCDart typedef
        PFNGLNAMEDCOPYBUFFERSUBDATAEXTPROCDart =
     void Function(int readBuffer, int writeBuffer, Pointer<NativeType>  readOffset, Pointer<NativeType>  writeOffset, Pointer<Uint32>  size)
    
    
    
Implementation
typedef PFNGLNAMEDCOPYBUFFERSUBDATAEXTPROCDart =
    void Function(
      int readBuffer,
      int writeBuffer,
      Pointer<NativeType> readOffset,
      Pointer<NativeType> writeOffset,
      Pointer<Uint32> size,
    );