/**
 * truncates a floating point number
 *
 * @param {number} num number to truncate
 * @param {number} len length to truncate to
 * @returns {number} truncated number
 */
export function truncate_decimal(num: number, len: number): number;
/**
 * parse json and catch invalid strings
 *
 * @param {string} text input
 * @returns {any} parsed
 */
export function try_parse_json(text: string): any;
/**
 * copy an object to prevent modification to the original
 *
 * @param {object} obj object to copy
 * @returns {object} copy
 */
export function copy_object(obj: any): any;
/**
 * run a regular expression and callback for every result
 *
 * @param {any} regex regular expression
 * @param {any} data data to run on
 * @param {any} func function to execute
 */
export function run_regex(regex: any, data: any, func: any): void;
/**
 * check if an object is either undefined, null or NaN
 *
 * @param {any} obj object to check
 * @returns {boolean} true if nil
 */
export function is_nil(obj: any): boolean;