import type { Dictionary, Func } from '@sdkset/types';
/**
 * 用于创建`extendOwn`、`extend`、`defaults`的内部函数。
 *
 * @example
 * _createAssigner(keys, false)
 * => extendOwn
 *
 * _createAssigner(allKeys, false)
 * => extend
 *
 * _createAssigner(allKeys, true)
 * => defaults
 *
 * @param keysFunc 给定获取键函数
 * @param defaults defaults 创建标识
 */
export declare function _createAssigner(keysFunc: Func<string[]>, defaults?: unknown): (object: Dictionary, ...handles: Dictionary[]) => Dictionary<any>;