import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class FullContentService {
    private _change;
    /** 切换全屏工作区状态 */
    toggle(): void;
    get change(): Observable<boolean | null>;
    static ɵfac: i0.ɵɵFactoryDeclaration<FullContentService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FullContentService>;
}