public java.lang.String getClusterHostname() {
        java.lang.Object ref = clusterHostname_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          clusterHostname_ = s;
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
<pre>
Output only. Hostname for the workstation cluster. This field will be
populated only when private endpoint is enabled. To access workstations
in the workstation cluster, create a new DNS zone mapping this domain
name to an internal IP address and a forwarding rule mapping that address
to the service attachment.
</pre>

<code>string cluster_hostname = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return The clusterHostname.
java-workstations/proto-google-cloud-workstations-v1/src/main/java/com/google/cloud/workstations/v1/WorkstationCluster.java