If using #G_FILE_MONITOR_SEND_MOVED flag and @event_type is
#G_FILE_MONITOR_EVENT_MOVED, @file will be set to a #GFile containing the
old path, and @other_file will be set to a #GFile containing the new path.
In all the other cases, @other_file will be set to #NULL.
Emitted when @file has been changed.
If using #G_FILE_MONITOR_SEND_MOVED flag and @event_type is #G_FILE_MONITOR_EVENT_MOVED, @file will be set to a #GFile containing the old path, and @other_file will be set to a #GFile containing the new path.
In all the other cases, @other_file will be set to #NULL.