import { Effect } from "@effect/core/io/Effect/definition";
import { Stream } from "@effect/core/stream/Stream/definition";
/**
 * Adds an effect to consumption of every element of the stream.
 * @tsplus static effect/core/stream/Stream.Aspects tap
 * @tsplus pipeable effect/core/stream/Stream tap
 * @tsplus location "@effect/core/stream/Stream/operations/tap"
 */
export declare function tap<A, R2, E2, Z>(f: (a: A) => Effect<R2, E2, Z>): <R, E>(self: import("../definition").Stream<R, E, A>) => import("../definition").Stream<R2 | R, E2 | E, A>;
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