PFNGLTEXTURESTORAGEMEM2DMULTISAMPLEEXTPROCDart typedef
        PFNGLTEXTURESTORAGEMEM2DMULTISAMPLEEXTPROCDart =
     void Function(int texture, int samples, int internalFormat, int width, int height, int fixedSampleLocations, int memory, int offset)
    
    
    
Implementation
typedef PFNGLTEXTURESTORAGEMEM2DMULTISAMPLEEXTPROCDart =
    void Function(
      int texture,
      int samples,
      int internalFormat,
      int width,
      int height,
      int fixedSampleLocations,
      int memory,
      int offset,
    );