public static com.google.cloud.visionai.v1.SearchIndexEndpointRequest parseFrom(
      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }
<pre>
The continuation token to fetch the next page. If empty, it means it is
fetching the first page.
</pre>

<code>string page_token = 6;</code>

@return The bytes for pageToken.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/SearchIndexEndpointRequest.java