interface ObjectLike {
    [key: string]: any;
    length?: never;
}
declare type UnionToIntersection<U> = (U extends any ? (k: U) => void : never) extends (k: infer I) => void ? I : never;
/**
 * object and array deep merge
 */
declare function mergeDeep<T extends ObjectLike[]>(...objects: T): UnionToIntersection<T[number]>;
export default mergeDeep;