import { Sink } from "@effect/core/stream/Sink/definition/base";
import { HashSet } from "@tsplus/stdlib/collections/HashSet/definition";
/**
 * A sink that collects first `n` distinct inputs into a set.
 * @tsplus static effect/core/stream/Sink.Ops collectAllToSetN
 * @tsplus location "@effect/core/stream/Sink/operations/collectAllToSetN"
 */
export declare function collectAllToSetN<In>(n: number): Sink<never, never, In, In, HashSet<In>>;
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