/********************************************************************
 * @author:      Kaven
 * @email:       kaven@wuwenkai.com
 * @website:     http://blog.kaven.xyz
 * @file:        [Kaven-Basic] /src/libs/string/ReplaceAt.ts
 * @create:      2025-06-25 16:12:45.828
 * @modify:      2025-07-11 21:19:12.847
 * @version:     6.0.0
 * @times:       9
 * @lines:       76
 * @copyright:   Copyright © 2018-2025 Kaven. All Rights Reserved.
 * @description: [description]
 * @license:
 * 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 { StringPosition } from "../class/StringPosition";
/**
 * Replaces a portion of the input string at the specified index with the given replacement string.
 *
 * @param input - The original string to modify.
 * @param index - The zero-based position in the string where the replacement should begin.
 * @param replacement - The string to insert at the specified index.
 * @param length - (Optional) The number of characters to replace starting from the index. If not provided, replaces only one character.
 * @returns A new string with the specified portion replaced by the replacement string.
 *
 * @since 4.0.0
 * @version 2025-06-25
 */
export declare function ReplaceAt(input: string, index: number, replacement: string, length?: number): string;
/**
 * Replaces a portion of a string at the specified position with a replacement string.
 *
 * @param input - The original string to modify.
 * @param position - The position or range within the string where the replacement should occur.
 * @param replacement - The string to insert at the specified position.
 * @returns A new string with the specified portion replaced by the replacement string.
 *
 * @since 4.0.0
 * @version 2025-06-25
 */
export declare function ReplaceAt(input: string, position: StringPosition, replacement: string): string;
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