public Builder addNodeSpec(
          com.google.cloud.tpu.v2alpha1.QueuedResource.Tpu.NodeSpec.Builder builderForValue) {
        if (nodeSpecBuilder_ == null) {
          ensureNodeSpecIsMutable();
          nodeSpec_.add(builderForValue.build());
          onChanged();
        } else {
          nodeSpecBuilder_.addMessage(builderForValue.build());
        }
        return this;
      }
<pre>
The TPU node(s) being requested.
</pre>

<code>repeated .google.cloud.tpu.v2alpha1.QueuedResource.Tpu.NodeSpec node_spec = 1;</code>
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/QueuedResource.java