import { Options } from "../../core";
import { Any, AnyObject, WindowOperatorInput } from "../../types";
/**
 * Returns the value from an expression applied to a document in a specified
 * position relative to the current document in the $setWindowFields stage partition.
 */
export declare const $shift: (obj: AnyObject, collection: AnyObject[], expr: WindowOperatorInput, options: Options) => Any;