| // Copyright 2015 The Vanadium Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| package io.v.rx.syncbase; | |
| import com.google.common.util.concurrent.ListenableFuture; | |
| import io.v.v23.context.VContext; | |
| import java8.lang.FunctionalInterface; | |
| @FunctionalInterface | |
| interface ExistenceAware { | |
| ListenableFuture<Boolean> exists(VContext vContext); | |
| } |