import { ComponentRef } from '@angular/core';
import { Observable, ReplaySubject, Subject } from 'rxjs';
import { NbWindowComponent } from './window.component';
import { NbWindowConfig, NbWindowState, NbWindowStateChange } from './window.options';
export declare class NbWindowRef {
    config: NbWindowConfig;
    componentRef: ComponentRef<NbWindowComponent>;
    protected prevStateValue: NbWindowState;
    protected stateValue: NbWindowState;
    state: NbWindowState;
    protected stateChange$: ReplaySubject<NbWindowStateChange>;
    readonly stateChange: Observable<NbWindowStateChange>;
    protected _closed: boolean;
    protected closed$: Subject<{}>;
    readonly onClose: Observable<{}>;
    constructor(config: NbWindowConfig);
    minimize(): void;
    maximize(): void;
    fullScreen(): void;
    toPreviousState(): void;
    close(): void;
}