PFNGLALPHATOCOVERAGEDITHERCONTROLNVPROCDart typedef
        PFNGLALPHATOCOVERAGEDITHERCONTROLNVPROCDart =
     void Function(int mode)
    
    
    
Implementation
typedef PFNGLALPHATOCOVERAGEDITHERCONTROLNVPROCDart = void Function(int mode);typedef PFNGLALPHATOCOVERAGEDITHERCONTROLNVPROCDart = void Function(int mode);