public static com.google.cloud.vision.v1p4beta1.ListReferenceImagesResponse parseFrom(
      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }
<pre>
The next_page_token returned from a previous List request, if any.
</pre>

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

@return The bytes for nextPageToken.
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/ListReferenceImagesResponse.java