import { ViewportRuler } from '@angular/cdk/scrolling';
import { AfterContentInit, ChangeDetectorRef, ElementRef, EventEmitter, OnDestroy, QueryList } from '@angular/core';
import { Subscription } from 'rxjs';
import { DrawerComponent } from './drawer.component';
import { DrawerContainer, Drawer } from './types';
export declare class DrawerContainerComponent implements AfterContentInit, OnDestroy, DrawerContainer {
    private elementRef;
    private cdRef;
    _hostClasses: boolean;
    _drawers: QueryList<DrawerComponent>;
    backdropClick: EventEmitter<void>;
    leftDrawer: DrawerComponent | undefined;
    rightDrawer: DrawerComponent | undefined;
    viewportRulerSub: Subscription;
    marginLeft: number;
    marginRight: number;
    readonly hasBackdrop: boolean;
    constructor(elementRef: ElementRef<HTMLElement>, cdRef: ChangeDetectorRef, viewportRuler: ViewportRuler);
    ngAfterContentInit(): void;
    ngOnDestroy(): void;
    open(): void;
    close(): void;
    updateContentMargins(): void;
    private getContentMargin;
    notifyDrawerStateChange(drawer: Drawer, action: 'check' | 'toggle'): void;
    private assignDrawers;
    onBackdropClick(): void;
    readonly showBackdrop: boolean;
}