public static void FLMutableDict_SetString(FLMutableDict x, string key, string str) { using (var key_ = new C4String(key)) using (var str_ = new C4String(str)) { NativeRaw.FLMutableDict_SetString(x, (FLSlice)key_.AsFLSlice(), (FLSlice)str_.AsFLSlice()); } }