import { Observable } from 'rxjs';
export declare class CommandsGraphics3dScreen {
    constructor();
    countGfxModes3d(): Observable<number>;
    gfxDriver3D(): Observable<boolean>;
    gfxDriverCaps3D(): Observable<number>;
    gfxMode3D(mode: number): Observable<boolean>;
    gfxMode3DExists(width: number, height: number, depth: number): Observable<boolean>;
    windowed3D(): Observable<boolean>;
}