/**
 * Copyright (c) 2014 Baidu.com, Inc. All Rights Reserved
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 *
 * @file strings.ts
 * @author leeight
 */
/**
 * 规范化字符串，进行 URL 编码
 * @param string 要编码的字符串
 * @param encodingSlash 是否编码斜杠，默认为 true
 * @returns 编码后的字符串
 */
export declare function normalize(string: string, encodingSlash?: boolean): string;
/**
 * 去除字符串首尾空白字符
 * @param string 要处理的字符串
 * @returns 去除空白后的字符串
 */
export declare function trim(string?: string | null): string;
/**
 * 判断字符串是否以指定后缀结尾
 * @param string 要检查的字符串
 * @param suffix 后缀字符串
 * @returns 是否以指定后缀结尾
 */
export declare function hasSuffix(string?: string | null, suffix?: string | null): boolean;
declare const _default: {
    normalize: typeof normalize;
    trim: typeof trim;
    hasSuffix: typeof hasSuffix;
};
export default _default;
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