import { Stream } from "@effect/core/stream/Stream/definition";
import { LazyArg } from "@tsplus/stdlib/data/Function";
import { Chunk } from "@tsplus/stdlib/collections/Chunk/definition";
/**
 * Emits the provided chunk before emitting any other value.
 * @tsplus fluent ets/Stream prepend
 * @tsplus location "@effect/core/stream/Stream/operations/prepend"
 */
export declare function prepend_<R, E, A, A2>(stream: Stream<R, E, A>, values: LazyArg<Chunk<A2>>, __tsplusTrace?: string): Stream<R, E, A | A2>;
/**
 * Emits the provided chunk before emitting any other value.
 * @tsplus static ets/Stream/Aspects prepend
 * @tsplus pipeable ets/Stream prepend
 * @tsplus location "@effect/core/stream/Stream/operations/prepend"
 */
export declare const prepend: <A2>(values: import("@tsplus/stdlib/data/Function").LazyArg<import("@tsplus/stdlib/collections/Chunk").Chunk<A2>>, __tsplusTrace?: string) => <R, E, A>(stream: import("../definition").Stream<R, E, A>) => import("../definition").Stream<R, E, A | A2>;
//# sourceMappingURL=prepend.d.ts.map