/**
 * @description Internal helper to check if parameter is a string
 * @function isString
 * @param {*} str
 * @returns {boolean}
 */
export function isString(str: any): boolean;
/**
 * @description Internal helper to check if string is empty
 * @function isStringEmpty
 * @param {*} str
 * @returns {boolean}
 */
export function isStringEmpty(str: any): boolean;
/**
 * @description Internal helper to check if parameter is a date
 * @function isDate
 * @param {*} date
 * @returns {boolean}
 */
export function isDate(date: any): boolean;
/**
 * @description Internal helper to check if parameter is an object
 * @function isObject
 * @param {*} obj
 * @returns {boolean}
 */
export function isObject(obj: any): boolean;
/**
 * @description Internal helper to check if parameter is a number
 * @function isNumber
 * @param {*} num
 * @returns {boolean}
 */
export function isNumber(num: any): boolean;
/**
 * @description Internal helper to check if parameter is an array
 * @function isArray
 * @param {*} arr
 * @returns {boolean}
 */
export function isArray(arr: any): boolean;
/**
 * @description Internal helper to emit a warning to the console
 * @function _WARN_
 * @param {string} title
 * @param {string} detail
 * @returns {boolean}
 */
export function _WARN_(title?: string, detail?: string): boolean;