read<T> method
Retrieves a value from the store
Implementation
T read<T>(String key, [T? defValue]) {
if (this._data[key] == null || this._data[key] is T) {
return this._data[key] ?? defValue;
}
throw FormatException(
'Store expects a [$T] but got [${this._data[key].runtimeType}]. '
'It is possible that the key [$key] used is wrong.');
}