PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXBASEINSTANCEPROCDart typedef
        PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXBASEINSTANCEPROCDart =
     void Function(int mode, int count, int type, Pointer<NativeType>  indices, int instancecount, int basevertex, int baseinstance)
    
    
    
Implementation
typedef PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXBASEINSTANCEPROCDart =
    void Function(
      int mode,
      int count,
      int type,
      Pointer<NativeType> indices,
      int instancecount,
      int basevertex,
      int baseinstance,
    );