PFNGLMULTIDRAWARRAYSINDIRECTPROCDart typedef
        PFNGLMULTIDRAWARRAYSINDIRECTPROCDart =
     void Function(int mode, Pointer<NativeType>  indirect, int drawcount, int stride)
    
    
    
Implementation
typedef PFNGLMULTIDRAWARRAYSINDIRECTPROCDart =
    void Function(
      int mode,
      Pointer<NativeType> indirect,
      int drawcount,
      int stride,
    );