/**
 * @public
 * Returns a map with keys from both A and B. If both A and B have the same key the value from B will be used.
 *
 * @remarks
 * See {@link mapUnion}.
 */
export declare function mapUnion<TKey, TIem>(a: ReadonlyMap<TKey, TIem>, b: ReadonlyMap<TKey, TIem>): Map<TKey, TIem>;
//# sourceMappingURL=map-union.d.ts.map