import { HashSet } from "@tsplus/stdlib/collections/HashSet/definition";
/**
 * Returns `true` if and only if every element in the this `HashSet` is an
 * element of the second set,
 *
 * **NOTE**: the hash and equal of both sets must be the same.
 * @tsplus static HashSet.Aspects isSubset
 * @tsplus pipeable HashSet isSubset
 * @tsplus location "@tsplus/stdlib/collections/HashSet/operations/isSubset"
 */
export declare function isSubset<A>(that: HashSet<A>): (self: HashSet<A>) => boolean;
//# sourceMappingURL=isSubset.d.ts.map