@java.lang.Override
  public int getPageSize() {
    return pageSize_;
  }
<pre>
Optional. The maximum number of items to return.
</pre>

<code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The pageSize.
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/ListQueuedResourcesRequest.java