import org.asamk.signal.commands.exceptions.IOErrorException;
import org.asamk.signal.commands.exceptions.UnexpectedErrorException;
import org.asamk.signal.manager.Manager;
-import org.whispersystems.libsignal.util.guava.Optional;
import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedResponseException;
import java.io.IOException;
+import java.util.Optional;
public class SetPinCommand implements JsonRpcLocalCommand {