import { Layer } from "@effect/core/io/Layer/definition";
/**
 * Combines this layer with the specified layer, producing a new layer that
 * has the inputs and outputs of both.
 * @tsplus pipeable-operator effect/core/io/Layer +
 * @tsplus static effect/core/io/Layer.Aspects merge
 * @tsplus pipeable effect/core/io/Layer merge
 * @tsplus location "@effect/core/io/Layer/operations/merge"
 */
export declare function merge<RIn2, E2, ROut2>(that: Layer<RIn2, E2, ROut2>): <RIn, E, ROut>(self: import("@effect/core/io/Layer/definition").Layer<RIn, E, ROut>) => import("@effect/core/io/Layer/definition").Layer<RIn2 | RIn, E2 | E, ROut2 | ROut>;
//# sourceMappingURL=merge.d.ts.map