/// <reference types="node" />
import { EventEmitter } from 'events';
import { EventListener, SwitchEvent, ReleaseEvent, PressEvent, HoldEvent } from './events';
import { BitValue } from 'libgpiod';
export declare class Debouncer {
    private readonly timeout;
    private readonly pressValue?;
    private readonly holdTimes?;
    private readonly emitter;
    private lastInstantValue?;
    private lastStableValue?;
    private lastChangeTime?;
    private lastPressTime?;
    private nextHoldIndex;
    constructor(emitter: EventEmitter, timeout: number, pressValue?: BitValue | undefined, holdTimes?: number[] | undefined);
    private switch;
    private hold;
    private checkState;
    addListener(eventName: 'release', listener: EventListener<ReleaseEvent>): void;
    addListener(eventName: 'switch', listener: EventListener<SwitchEvent>): void;
    addListener(eventName: 'press', listener: EventListener<PressEvent>): void;
    addListener(eventName: 'hold', listener: EventListener<HoldEvent>): void;
    removeListener(eventName: 'release', listener: EventListener<ReleaseEvent>): void;
    removeListener(eventName: 'switch', listener: EventListener<SwitchEvent>): void;
    removeListener(eventName: 'press', listener: EventListener<PressEvent>): void;
    removeListener(eventName: 'hold', listener: EventListener<HoldEvent>): void;
    once(eventName: 'release', listener: EventListener<ReleaseEvent>): void;
    once(eventName: 'switch', listener: EventListener<SwitchEvent>): void;
    once(eventName: 'press', listener: EventListener<PressEvent>): void;
    once(eventName: 'hold', listener: EventListener<HoldEvent>): void;
}
//# sourceMappingURL=debouncer.d.ts.map