PFNGLCOVERAGEMODULATIONNVPROCDart typedef
        PFNGLCOVERAGEMODULATIONNVPROCDart =
     void Function(int components)
    
    
    
Implementation
typedef PFNGLCOVERAGEMODULATIONNVPROCDart = void Function(int components);typedef PFNGLCOVERAGEMODULATIONNVPROCDart = void Function(int components);