@java.lang.Override
  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
    Builder builder = new Builder(parent);
    return builder;
  }
<pre>
Optional. A token identifying a page of results the server should return.
Typically, this is the value of
[ListGlossaryEntriesResponse.next_page_token] returned from the previous
call. The first page is returned if `page_token`is empty or missing.
</pre>

<code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The bytes for pageToken.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/ListGlossaryEntriesRequest.java