import { Effect } from "@effect/core/io/Effect/definition";
import { Sink } from "@effect/core/stream/Sink/definition/base";
/**
 * Effectfully transforms this sink's input elements.
 * @tsplus static effect/core/stream/Sink.Aspects contramapEffect
 * @tsplus pipeable effect/core/stream/Sink contramapEffect
 * @tsplus location "@effect/core/stream/Sink/operations/contramapEffect"
 */
export declare function contramapEffect<In0, R2, E2, In2>(f: (input: In0) => Effect<R2, E2, In2>): <R, E, L, Z>(self: import("../definition").Sink<R, E, In2, L, Z>) => import("../definition").Sink<R2 | R, E2 | E, In0, L, Z>;
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