export declare function noop(): void;
/**
 * 对象 key-value 互换
 * @param origin
 */
export declare function invert(origin?: {}): {};
/**
 * Map转成Object
 * @param {Map} map
 */
export declare function mapToObject(map: any): {};
/**
 * 字符串改成驼峰式
 * @param {String} str 字符串
 */
export declare function camelCase(str: any): any;
/**
 * 驼峰式字符串改成连接符形式
 * @param {String} str 字符串
 */
export declare function kebabCase(str: any): any;