PFNGLCLEARTEXIMAGEPROCDart typedef
        PFNGLCLEARTEXIMAGEPROCDart =
     void Function(int texture, int level, int format, int type, Pointer<NativeType>  data)
    
    
    
Implementation
typedef PFNGLCLEARTEXIMAGEPROCDart =
    void Function(
      int texture,
      int level,
      int format,
      int type,
      Pointer<NativeType> data,
    );