PFNGLTEXIMAGE2DMULTISAMPLECOVERAGENVPROCDart typedef
        PFNGLTEXIMAGE2DMULTISAMPLECOVERAGENVPROCDart =
     void Function(int target, int coverageSamples, int colorSamples, int internalFormat, int width, int height, int fixedSampleLocations)
    
    
    
Implementation
typedef PFNGLTEXIMAGE2DMULTISAMPLECOVERAGENVPROCDart =
    void Function(
      int target,
      int coverageSamples,
      int colorSamples,
      int internalFormat,
      int width,
      int height,
      int fixedSampleLocations,
    );