/**
 * Lex filter to transform plain English into Cockney English.
 * No racial or societal slurs are intended.  For amusement only.
 *
 * Reproduction permitted so long as this notice is retained.
 *
 * @copyright (c) 1986 Daniel Klein.
 * @license GPL
 * @author Aaron Wells
 */
/**
 *
 *
 * @param {string} initialString
 * @return {string}
 */
export declare function cockney(initialString: string): string;