removeChangeListener abstract method
Removes a previously added change listener.
Pass in the token
that was handed out when adding the listener.
Regardless of whether a Future is returned or not, the listener immediately stops being called.
See also:
- addChangeListener for listening for changes to this database.
- addDocumentChangeListener for listening for changes to a single Document.
Implementation
FutureOr<void> removeChangeListener(ListenerToken token);