import { Stream } from "@effect/core/stream/Stream/definition";
/**
 * Transforms the errors emitted by this stream using `f`.
 * @tsplus static effect/core/stream/Stream.Aspects mapError
 * @tsplus pipeable effect/core/stream/Stream mapError
 * @tsplus location "@effect/core/stream/Stream/operations/mapError"
 */
export declare function mapError<E, E2>(f: (e: E) => E2): <R, A>(self: import("../definition").Stream<R, E, A>) => import("../definition").Stream<R, E2, A>;
//# sourceMappingURL=mapError.d.ts.map