declare const extend: <T extends Record<string, any>, U extends Record<string, any>>(objFir: T, objSec: U) => T & U;
declare function extendDeep<T extends (Record<string, any> | any[]), U extends (Record<string, any> | any[])>(objFir: T, objSec: U): T & U;
declare function jsonClone<T extends Record<any, any>>(val: T): T;
declare function deepClone<T>(obj: T): T;

type IDeepCloneObj = Record<string, any>;

export { type IDeepCloneObj, deepClone, extend, extendDeep, jsonClone };