import { Source, Subscriber, Subscription } from "../_core";
import { In, Out } from "../_interfaces";
import { Property } from "../Property";
export declare const sampleWith: CurriedSampleWith;
export interface CurriedSampleWith {
    <ObsType, SampleType, ValueType, ResultType>(sampler: In<ObsType, SampleType>, project: (value: ValueType, sample: SampleType) => ResultType, value: Property<ValueType>): Out<ObsType, ResultType>;
    <ObsType, SampleType, ValueType, ResultType>(sampler: In<ObsType, SampleType>): (project: (value: ValueType, sample: SampleType) => ResultType, value: Property<ValueType>) => Out<ObsType, ResultType>;
    <ObsType, SampleType, ValueType, ResultType>(sampler: In<ObsType, SampleType>, project: (value: ValueType, sample: SampleType) => ResultType): (value: Property<ValueType>) => Out<ObsType, ResultType>;
    <ObsType, SampleType, ValueType, ResultType>(sampler: In<ObsType, SampleType>): (project: (value: ValueType, sample: SampleType) => ResultType) => (value: Property<ValueType>) => Out<ObsType, ResultType>;
}
export declare const sampleBy: CurriedSampleBy;
export interface CurriedSampleBy {
    <ObsType, SampleType, ValueType>(sampler: In<ObsType, SampleType>, value: Property<ValueType>): Out<ObsType, ValueType>;
    <ObsType, SampleType, ValueType>(sampler: In<ObsType, SampleType>): (value: Property<ValueType>) => Out<ObsType, ValueType>;
}
export declare class SVSource<S, V> implements Source<S>, Subscription {
    vSrc: Source<V>;
    sSrc: Source<S>;
    vDest: Subscriber<V>;
    readonly weight: number;
    private vSubs;
    private sSubs;
    constructor(vSrc: Source<V>, sSrc: Source<S>, vDest: Subscriber<V>);
    subscribe(subscriber: Subscriber<S>, order: number): Subscription;
    activate(initialNeeded: boolean): void;
    reorder(order: number): void;
    dispose(): void;
    disposeValue(): void;
}