PFNGLGETNTEXIMAGEPROCDart typedef
        PFNGLGETNTEXIMAGEPROCDart =
     void Function(int target, int level, int format, int type, int bufSize, Pointer<NativeType>  pixels)
    
    
    
Implementation
typedef PFNGLGETNTEXIMAGEPROCDart =
    void Function(
      int target,
      int level,
      int format,
      int type,
      int bufSize,
      Pointer<NativeType> pixels,
    );