@java.lang.Override
  public int getPageSize() {
    return pageSize_;
  }
<pre>
Optional. Requested page size. The server can return fewer results than
requested.
</pre>

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

@return The pageSize.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/ListDatasetsRequest.java