import { Observable, Subject } from 'rxjs';
export interface NbLayoutDimensions {
    clientWidth: number;
    clientHeight: number;
    scrollWidth: number;
    scrollHeight: number;
}
export declare class NbLayoutRulerService {
    private contentDimensionsReq$;
    getDimensions(): Observable<NbLayoutDimensions>;
    onGetDimensions(): Subject<any>;
}