import { Maybe } from "@tsplus/stdlib/data/Maybe/definition";
import { Stream } from "@effect/core/stream/Stream/definition";
/**
 * Performs a filter and map in a single step.
 * @tsplus static effect/core/stream/Stream.Aspects collect
 * @tsplus pipeable effect/core/stream/Stream collect
 * @tsplus location "@effect/core/stream/Stream/operations/collect"
 */
export declare function collect<A, B>(pf: (a: A) => Maybe<B>): <R, E>(self: import("../definition").Stream<R, E, A>) => import("../definition").Stream<R, E, B>;
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