type ObjectType = {
    [key: string]: any;
};
/**
 * Performs a deep merge of objects and returns new object. Does not modify
 * objects (immutable) and merges arrays via concatenation.
 *
 * @param {...object} objects - Objects to merge
 * @returns {object} New object with merged key/values
 */
export default function mergeDeep(...objects: ObjectType[]): ObjectType;
export {};