Automatic merge from submit-queue dnsprovider: Add IsEmpty method When batching changes, it is often handy to know whether a changeset IsEmpty, and thus does not need to be Apply-ed. ```release-note NONE ```
Automatic merge from submit-queue dnsprovider: Add IsEmpty method When batching changes, it is often handy to know whether a changeset IsEmpty, and thus does not need to be Apply-ed. ```release-note NONE ```