import { HashSet } from "@tsplus/stdlib/collections/HashSet/definition";
/**
 * Mutates the `HashSet` within the context of the provided function.
 * @tsplus static HashSet.Aspects mutate
 * @tsplus pipeable HashSet mutate
 * @tsplus location "@tsplus/stdlib/collections/HashSet/operations/mutate"
 */
export declare function mutate<A>(f: (set: HashSet<A>) => void): (self: HashSet<A>) => HashSet<A>;
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