public boolean hasNode() {
          return ((bitField0_ & 0x00000008) != 0);
        }
<pre>
Required. The node.
</pre>

<code>.google.cloud.tpu.v2alpha1.Node node = 3 [(.google.api.field_behavior) = REQUIRED];
</code>

@return Whether the node field is set.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/QueuedResource.java