import { Sink } from "@effect/core/stream/Sink/definition/base";
/**
 * Transforms this sink's input elements.
 * @tsplus static effect/core/stream/Sink.Aspects contramap
 * @tsplus pipeable effect/core/stream/Sink contramap
 * @tsplus location "@effect/core/stream/Sink/operations/contramap"
 */
export declare function contramap<In, In1>(f: (input: In1) => In): <R, E, L, Z>(self: import("../definition").Sink<R, E, In, L, Z>) => import("../definition").Sink<R, E, In1, L, Z>;
//# sourceMappingURL=contramap.d.ts.map