getCSSVariable method
Implementation
@override
String? getCSSVariable(String identifier, String propertyName) {
Map<String, String>? storage = _storage;
_addDependency(identifier, propertyName);
if (storage != null && storage.containsKey(identifier)) {
return storage[identifier];
} else {
// Inherits from renderStyle tree.
return parent?.getCSSVariable(identifier, propertyName);
}
}