import { Stream } from "@effect/core/stream/Stream/definition";
import { Maybe } from "@tsplus/stdlib/data/Maybe/definition";
/**
 * Converts an option on values into an option on errors.
 * @tsplus getter ets/Stream some
 * @tsplus location "@effect/core/stream/Stream/operations/some"
 */
export declare function some<R, E, A>(self: Stream<R, E, Maybe<A>>, __tsplusTrace?: string): Stream<R, Maybe<E>, A>;
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