/**
 * This code was copied from
 * https://github.com/sasaplus1/deepcopy.js/tree/38be369541c458ee6b49215f3ca6101321b2f8ba/src and
 * modified to be ESM compatible and fix code health (linting, formatting, etc.).
 *
 * The original code has the following license:
 *
 *     (The MIT LICENSE)
 *
 *     Copyright (c) 2013 sasa+1 <sasaplus1@gmail.com>
 *
 *     Permission is hereby granted, free of charge, to any person obtaining a copy
 *     of this software and associated documentation files (the "Software"), to
 *     deal in the Software without restriction, including without limitation the
 *     rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the Software is
 *     furnished to do so, subject to the following conditions:
 *
 *     The above copyright notice and this permission notice shall be included in
 *     all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *     AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *     LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 *     IN THE SOFTWARE.
 */
import { type CustomCopy } from './clone.js';
/**
 * Options for {@link deepCopy}.
 *
 * @category Internal
 */
export type DeepCopyOptions = {
    customizer?: CustomCopy;
};
/**
 * Deep copy value
 *
 * @category Main
 */
export declare function deepCopy<T>(value: T, options?: DeepCopyOptions): T;