public org.tensorflow.distruntime.ClusterDef getCluster() {
    return cluster_ == null ? org.tensorflow.distruntime.ClusterDef.getDefaultInstance() : cluster_;
  }
public org . tensorflow . distruntime . ClusterDef getCluster ( ) { return cluster_ == null ? org . tensorflow . distruntime . ClusterDef . getDefaultInstance ( ) : cluster_ ; }
<pre>
The cluster of which this server is a member.
</pre>

<code>optional .tensorflow.ClusterDef cluster = 1;</code>