import { Duration } from "@tsplus/stdlib/data/Duration";
import { Stream } from "@effect/core/stream/Stream/definition";
import { Chunk } from "@tsplus/stdlib/collections/Chunk/definition";
/**
 * Partitions the stream with the specified chunkSize or until the specified
 * duration has passed, whichever is satisfied first.
 * @tsplus static effect/core/stream/Stream.Aspects groupedWithin
 * @tsplus pipeable effect/core/stream/Stream groupedWithin
 * @tsplus location "@effect/core/stream/Stream/operations/groupedWithin"
 */
export declare function groupedWithin(chunkSize: number, within: Duration): <R, E, A>(self: import("../definition").Stream<R, E, A>) => import("../definition").Stream<R, E, import("@tsplus/stdlib/collections/Chunk").Chunk<A>>;
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