import type { IStream } from '../types.js';
/**
 * Sample values from one stream at the times of events in another
 *
 * values:  -1-2-3-4-5-6-7-8->
 * sampler: ---x---x---x----->
 * sample:  ---2---4---6----->
 */
export declare const sample: ISampleCurry;
/**
 * Combine values from two streams at sample times
 *
 * values:     -1-2-3-4-5-6->
 * sampler:    ---a---b---c->
 * sampleMap:  ---A---B---C->
 *                |   |   |
 *                |   |   +-- [6,c]
 *                |   +-- [4,b]
 *                +-- [2,a]
 */
export declare const sampleMap: ISampleMapCurry;
export interface ISampleCurry {
    <A, B>(values: IStream<A>, sampler: IStream<B>): IStream<A>;
    <A, B>(values: IStream<A>): (sampler: IStream<B>) => IStream<A>;
}
export interface ISampleMapCurry {
    <A, B, C>(f: (a: A, b: B) => C, values: IStream<A>, sampler: IStream<B>): IStream<C>;
    <A, B, C>(f: (a: A, b: B) => C, values: IStream<A>): (sampler: IStream<B>) => IStream<C>;
    <A, B, C>(f: (a: A, b: B) => C): (values: IStream<A>) => (sampler: IStream<B>) => IStream<C>;
}