import { Overlay } from '@angular/cdk/overlay';
import { ComponentType } from '@angular/cdk/portal';
import { InjectionToken, Injector, OnDestroy, TemplateRef } from '@angular/core';
import { Observable, Subject } from 'rxjs';
import { MtxDrawerConfig } from './drawer-config';
import { MtxDrawerRef } from './drawer-ref';
import * as i0 from "@angular/core";
/** Injection token that can be used to access the data that was passed in to a drawer. */
export declare const MTX_DRAWER_DATA: InjectionToken<any>;
/** Injection token that can be used to specify default drawer options. */
export declare const MTX_DRAWER_DEFAULT_OPTIONS: InjectionToken<MtxDrawerConfig<any>>;
/**
 * Service to trigger Material Design bottom sheets.
 */
export declare class MtxDrawer implements OnDestroy {
    private _overlay;
    private _parentDrawer;
    private _defaultOptions?;
    private readonly _openDrawersAtThisLevel;
    private readonly _afterAllDismissedAtThisLevel;
    private readonly _afterOpenedAtThisLevel;
    private _dialog;
    /** Keeps track of the currently-open dialogs. */
    get openDrawers(): MtxDrawerRef<any>[];
    /** Stream that emits when a drawer has been opened. */
    get afterOpened(): Subject<MtxDrawerRef<any>>;
    private _getAfterAllDismissed;
    /**
     * Stream that emits when all open drawer have finished closing.
     * Will emit on subscribe if there are no open drawers to begin with.
     */
    readonly afterAllDismissed: Observable<void>;
    constructor(_overlay: Overlay, injector: Injector, _parentDrawer: MtxDrawer, _defaultOptions?: MtxDrawerConfig | undefined);
    /**
     * Opens a drawer containing the given component.
     * @param component Type of the component to load into the drawer.
     * @param config Extra configuration options.
     * @returns Reference to the newly-opened drawer.
     */
    open<T, D = any, R = any>(component: ComponentType<T>, config?: MtxDrawerConfig<D>): MtxDrawerRef<T, R>;
    /**
     * Opens a drawer containing the given template.
     * @param template TemplateRef to instantiate as the drawer content.
     * @param config Extra configuration options.
     * @returns Reference to the newly-opened drawer.
     */
    open<T, D = any, R = any>(template: TemplateRef<T>, config?: MtxDrawerConfig<D>): MtxDrawerRef<T, R>;
    /**
     * Dismisses all of the currently-open drawers.
     */
    dismissAll(): void;
    /**
     * Finds an open drawer by its id.
     * @param id ID to use when looking up the drawer.
     */
    getDrawerById(id: string): MtxDrawerRef<any> | undefined;
    ngOnDestroy(): void;
    private _dismissDrawers;
    static ɵfac: i0.ɵɵFactoryDeclaration<MtxDrawer, [null, null, { optional: true; skipSelf: true; }, { optional: true; }]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<MtxDrawer>;
}