/**
 * common.js
 */
/**
 * get type
 * @param {*} o - object to check
 * @returns {string} - type of object
 */
export declare const getType: (o: any) => string;
/**
 * is string
 * @param {*} o - object to check
 * @returns {boolean} - result
 */
export declare const isString: (o: any) => o is string;