import { SensorServer } from "./sensorserver";
import { JDRegisterServer } from "../jdom/servers/registerserver";
/**
 * Server implementation for the button service
 * @category Servers
 */
export declare class ButtonServer extends SensorServer<[number]> {
    static readonly HOLD_TIME = 500;
    static readonly INACTIVE_VALUE = 0;
    static readonly ACTIVE_VALUE = 1;
    private _downTime;
    private _nextHold;
    readonly analog: JDRegisterServer<[boolean]>;
    private _threshold;
    constructor(instanceName?: string, analog?: boolean);
    get threshold(): JDRegisterServer<[number]>;
    set threshold(value: JDRegisterServer<[number]>);
    private isActive;
    private handleRefresh;
    down(): Promise<void>;
    up(): Promise<void>;
}
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