/**
 *
 * @param str
 */
export declare function escape(str: any): any;
/**
 *
 * @param str
 */
export declare function unescape(str: any): any;
/**
 *
 * @param str
 * @returns {any}
 */
export declare function escapeRegExp(str: any): any;
/**
 *
 * @param str
 * @returns {any}
 */
export declare function capitalize(str: any): any;
/**
 *
 * @param str
 * @returns {string}
 */
export declare function camelCase(str: any): string;
/**
 *
 * @param str
 * @returns {string}
 */
export declare function kebabCase(str: any): string;
/**
 * Create a GUID
 * @returns {string} - The GUID
 */
export declare function createGUID(): string;
/**
 * Checks if a given string is empty or not (only spaces/ no chars)
 * @param {string} str - the string to test
 * @return {boolean} true if the string is an emprty one (only spaces/ no chars)
 */
export declare function isEmptyString(str: string): boolean;
/**
 * Get the initials form a text string
 */
export declare function getInitials(text: string): string;