private void ensureNodesIsMutable() {
      if (!((bitField0_ & 0x00000001) != 0)) {
        nodes_ = new java.util.ArrayList<com.google.cloud.tpu.v2.Node>(nodes_);
        bitField0_ |= 0x00000001;
      }
    }
<pre>
Response for [ListNodes][google.cloud.tpu.v2.Tpu.ListNodes].
</pre>

Protobuf type {@code google.cloud.tpu.v2.ListNodesResponse}
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/ListNodesResponse.java