metadata method
Implementation
@override
FlagMetadata metadata() {
// Before expose whe should check the Type
Modification? modif = this._visitorDelegate?.getFlagModification(this._key);
if (modif != null) {
// when the flag value is null we provide the metadata
return FlagMetadata.withMap(
this._visitorDelegate?.getModificationInfo(this._key));
} else {
return FlagMetadata.withMap(null);
}
}