clearSelection method
clear specific selected option TreeSelectController is used to clear specific selected option.
Implementation
void clearSelection(TreeNode option) {
if (!value._selectedOptions
.any((item) => item.code == option.code && item.name == option.name)) {
return;
}
value._selectedOptions.removeWhere(
(item) => item.code == option.code && item.name == option.name);
notifyListeners();
}