snapshots method
Notifies of document updates at this location.
An initial event is immediately sent, and further events will be sent whenever the document is modified.
Implementation
Stream<DocumentSnapshot> snapshots({bool includeMetadataChanges = false}) =>
_delegate.snapshots(includeMetadataChanges: includeMetadataChanges).map(
(delegateSnapshot) =>
DocumentSnapshot._(firestore, delegateSnapshot));