/**
 * checks if the two are strictly equal
 * @param array1
 * @param array2
 */
export declare function isEqual(obj1: any, obj2: any): boolean;
/**
 * returns a recursive duplicate of the object passed in
 * @param obj
 */
export declare function deepCopy(obj: {
    [key: string]: any;
} | Array<any>): {
    [key: string]: any;
} | Array<any> | undefined;