import { Observable } from 'rxjs';
export declare function getDeviceSettingsKeyGenerator(prefix: string): (...keys: string[]) => DeviceSettingsKey;
export type DeviceSettingsKey = string[];
export declare class DeviceSettings {
    static set<T extends string>(key: DeviceSettingsKey, value: T): T;
    static get<T extends string>(key: DeviceSettingsKey, defaultValue: T): T;
    static get<T extends string>(key: DeviceSettingsKey, defaultValue?: T | undefined): T | undefined;
    static listen<T extends string>(key: DeviceSettingsKey, defaultValue: T): Observable<T>;
    static getObject<T>(key: DeviceSettingsKey, defaultValue: T): T;
    static getObject<T>(key: DeviceSettingsKey, defaultValue?: T | undefined): string | undefined;
    static setObject<T>(key: DeviceSettingsKey, value: T): T;
    static getSavedId<T extends string>(key: DeviceSettingsKey, available: {
        id: T;
    }[]): T | null;
}