import { Stream } from "@effect/core/stream/Stream/definition";
import { Maybe } from "@tsplus/stdlib/data/Maybe/definition";
/**
 * Terminates the stream when encountering the first `None`.
 * @tsplus getter effect/core/stream/Stream collectWhileSome
 * @tsplus location "@effect/core/stream/Stream/operations/collectWhileSome"
 */
export declare function collectWhileSome<R, E, L, A>(self: Stream<R, E, Maybe<A>>): Stream<R, E, A>;
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