Dart APIunself_local_databaseDocumentDaosaveRecord saveRecord method Null safety void saveRecord() saveRecord upserts the provided Record model. Implementation void saveRecord() => throw UnimplementedError(); unself_local_database unself_local_database DocumentDao saveRecord method DocumentDao class Constructors DocumentDao Properties attachedDatabase connection executor hashCode options resolvedEngine runtimeType streamQueries typeMapping Methods $expandVar $write $writeInsertable alias batch createStream customInsert customSelect customSelectQuery customStatement customUpdate customWriteReturning delete doWhenOpened into markTablesUpdated noSuchMethod notifyUpdates saveRecord select selectOnly tableUpdates toString transaction update Operators operator ==