clear method
Implementation
@override
void clear() {
this._isLoading = false;
this._isLoaded = false;
this._isError = false;
this._errorMessage = "";
this._isLoadingSC = BehaviorSubject<bool>();
this._isLoadedSC = BehaviorSubject<bool>();
this._isErrorSC = BehaviorSubject<bool>();
this._errorMessageSC = BehaviorSubject<String>();
this._itemsSC = BehaviorSubject<List<T>?>();
this._dataSC = BehaviorSubject<T?>();
this._items = null;
this._data = null;
}