@Override public Map<GeneratedMessage.GeneratedExtension, PersistentMessages.CompositeModification> encode() {
Preconditions.checkState(modification!=null);
Map<GeneratedMessage.GeneratedExtension, PersistentMessages.CompositeModification> map = new HashMap<>();
@Override public Map<GeneratedMessage.GeneratedExtension, PersistentMessages.CompositeModification> encode() {
Preconditions.checkState(modification!=null);
Map<GeneratedMessage.GeneratedExtension, PersistentMessages.CompositeModification> map = new HashMap<>();