import { OnInit } from '@angular/core';
import { Observable } from 'rxjs';
import { HotkeysService } from '../../../../modules/hotkeys/hotkeys.service';
import { PlayerComponent } from '../../../../player/player.component';
export declare class FullscreenBtnComponent implements OnInit {
    private parent;
    rootElement: HTMLElement;
    isFullscreen$: Observable<boolean>;
    constructor(parent: PlayerComponent, hotkeysService: HotkeysService);
    ngOnInit(): void;
    toggleFullscreen(): void;
}