examples/FirestoreDatabase/Documents FirestoreDatabase Documents Async Callback BatchGet BatchWrite Commit AppendArray AppendMapValue AppendMapValueArray AppendMapValueTimestamp IncrementFieldValue SetUpdateDelete CreateDocument Delete Get List ListCollectionIds Patch AppendMapValue UpdateDocument RunQuery NoCallback BatchGet BatchWrite Commit AppendArray AppendMapValue AppendMapValueArray AppendMapValueTimestamp IncrementFieldValue SetUpdateDelete CreateDocument Delete Get List ListCollectionIds Patch AppendMapValue UpdateDocument RunQuery Sync BatchGet BatchWrite Commit AppendArray AppendMapValue AppendMapValueArray AppendMapValueTimestamp IncrementFieldValue SetUpdateDelete CreateDocument Delete Get List ListCollectionIds Patch AppendMapValue UpdateDocument RunQuery