import { SortedSet } from "@tsplus/stdlib/collections/SortedSet/definition";
/**
 * Returns `true` if and only if every element in the first set is an element
 * of the second set.
 *
 * **Note**: the hash and equal of the 2 sets must be the same.
 * @tsplus static SortedSet.Aspects isSubset
 * @tsplus pipeable SortedSet isSubset
 * @tsplus location "@tsplus/stdlib/collections/SortedSet/isSubset"
 */
export declare function isSubset<A>(that: SortedSet<A>): (self: SortedSet<A>) => boolean;
//# sourceMappingURL=isSubset.d.ts.map