public Builder clearNodeCount() {
            bitField0_ = (bitField0_ & ~0x00000001);
            nodeCount_ = 0;
            onChanged();
            return this;
          }
<pre>
Required. Number of nodes with this spec. The system will attempt
to provision "node_count" nodes as part of the request.
This needs to be &gt; 1.
</pre>

<code>int32 node_count = 1 [(.google.api.field_behavior) = REQUIRED];</code>

@return This builder for chaining.
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/QueuedResource.java