PFNGLPROGRAMUNIFORM1I64VNVPROCDart typedef
        PFNGLPROGRAMUNIFORM1I64VNVPROCDart =
     void Function(int program, int location, int count, Pointer<Int64>  value)
    
    
    
Implementation
typedef PFNGLPROGRAMUNIFORM1I64VNVPROCDart =
    void Function(int program, int location, int count, Pointer<Int64> value);