@java.lang.Override
        public com.google.protobuf.ByteString getNodeIdBytes() {
          java.lang.Object ref = "";
          if (nameStrategyCase_ == 2) {
            ref = nameStrategy_;
          }
          if (ref instanceof String) {
            com.google.protobuf.ByteString b =
                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
            if (nameStrategyCase_ == 2) {
              nameStrategy_ = b;
            }
            return b;
          } else {
            return (com.google.protobuf.ByteString) ref;
          }
        }
<pre>
Optional. The unqualified resource name. Should follow the
`^[A-Za-z0-9_.~+%-]+$` regex format. This is only specified when
requesting a single node. In case of multislice requests,
multislice_params must be populated instead.
</pre>

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

@return The bytes for nodeId.
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/QueuedResource.java