public com.google.protobuf.ByteString getClusterNamedRangeBytes() {
      java.lang.Object ref = clusterNamedRange_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        clusterNamedRange_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
Optional. The name of the existing secondary range in the cluster's
subnetwork to use for pod IP addresses. Alternatively, cluster_cidr_block
can be used to automatically create a GKE-managed one.
</pre>

<code>string cluster_named_range = 6 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The bytes for clusterNamedRange.
java-telcoautomation/proto-google-cloud-telcoautomation-v1/src/main/java/com/google/cloud/telcoautomation/v1/FullManagementConfig.java