public Builder setPageToken(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      pageToken_ = value;
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
<pre>
The next_page_token value returned from a previous List request, if any.
</pre>

<code>string page_token = 3;</code>

@param value The pageToken to set.
@return This builder for chaining.
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/ListChannelsRequest.java