<BUG>import static com.google.common.base.Preconditions.checkState;import java.util.Map;</BUG><CONTEXT>package com.yahoo.pulsar.broker.namespace;<extra_id_0>import java.util.Optional;import java.util.concurrent.CompletableFuture;import java.util.concurrent.CompletionException;</CONTEXT>
import java.util.List;import java.util.Map;