@java.lang.Override
  public java.lang.String getPageToken() {
    java.lang.Object ref = pageToken_;
    if (ref instanceof java.lang.String) {
      return (java.lang.String) ref;
    } else {
      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
      java.lang.String s = bs.toStringUtf8();
      pageToken_ = s;
      return s;
    }
  }
<pre>
Optional. The next_page_token value returned from a previous List request,
if any.
</pre>

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

@return The pageToken.
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/ListVodConfigsRequest.java