import { Stream } from "@effect/core/stream/Stream/definition";
import { Effect } from "@effect/core/io/Effect/definition";
import { Maybe } from "@tsplus/stdlib/data/Maybe/definition";
/**
 * Runs the stream to completion and yields the first value emitted by it,
 * discarding the rest of the elements.
 * @tsplus getter effect/core/stream/Stream runHead
 * @tsplus location "@effect/core/stream/Stream/operations/runHead"
 */
export declare function runHead<R, E, A>(self: Stream<R, E, A>): Effect<R, E, Maybe<A>>;
//# sourceMappingURL=runHead.d.ts.map