import { BehaviorSubject } from "rxjs";
/**
 * This provider allows a system wide definition of widget refresh rates.
 */
export declare class RefresherSettingsService {
    private _refreshRateSeconds;
    refreshRateSeconds$: BehaviorSubject<number>;
    /**
     * This is a system wide definition of refresh rate. Widgets have to be configured to use
     * the system settings to leverage this value.
     */
    get refreshRateSeconds(): number;
    set refreshRateSeconds(value: number);
}