import { DataItem, Node } from "../..";
/**
 * saveGetTransformDataItem gets the data item with a backoff strategy
 *
 * @method saveGetTransformDataItem
 * @param {Node} this
 * @param {string} source
 * @param {string} key
 * @return {Promise<DataItem | null>}
 */
export declare function saveGetTransformDataItem(this: Node, source: string, key: string): Promise<DataItem | null>;