presto-main/src/main/java/io/prestosql/operator/HttpPageBufferClient.java/HttpPageBufferClient/createPagesResponse
class HttpPageBufferClient:        public static PagesResponse createPagesResponse(String taskInstanceId, long token, long nextToken, Iterable<SerializedPage> pages, boolean complete)
        {
            return new PagesResponse(taskInstanceId, token, nextToken, pages, complete);
        }