import { Observable } from 'rxjs';
import { ISettingValueProvider } from '../personal-settings';
export declare class SettingsFeatureContext {
    private readonly _valueProvider;
    private _isValidSubject;
    constructor(_valueProvider: ISettingValueProvider);
    get valueProvider(): ISettingValueProvider;
    set isValid(state: boolean);
    get isValid(): boolean;
    get isValidSubscription(): Observable<boolean>;
}