import type * as C from "../core";
/**
 * Threads the stream through the transformation function `f`.
 */
export declare function via_<R, R1, E, E1, A, A1>(self: C.Stream<R, E, A>, f: (a: C.Stream<R, E, A>) => C.Stream<R1, E1, A1>): C.Stream<R1, E1, A1>;
/**
 * Threads the stream through the transformation function `f`.
 *
 * @ets_data_first via_
 */
export declare function via<R, R1, E, E1, A, A1>(f: (a: C.Stream<R, E, A>) => C.Stream<R1, E1, A1>): (self: C.Stream<R, E, A>) => C.Stream<R1, E1, A1>;
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