import * as T from "../../../Effect";
import type * as C from "./core";
/**
 * Creates a sink that effectfully folds elements of type `In` into a structure
 * of type `S`, until `max` worth of elements (determined by the `costFn`) have
 * been folded.
 *
 * @note Elements that have an individual cost larger than `max` will
 * force the sink to cross the `max` cost. See `foldWeightedDecomposeM`
 * for a variant that can handle these cases.
 */
export declare function foldWeightedEffect<Env, Err, In, S>(z: S, costFn: (s: S, in_: In) => T.Effect<Env, Err, number>, max: number, f: (s: S, in_: In) => T.Effect<Env, Err, S>): C.Sink<Env, Err, In, Err, In, S>;
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