import { AfterContentInit, ElementRef, EventEmitter } from '@angular/core';
import { AnimationEvent } from '@angular/animations';
import { Observable } from 'rxjs';
/** Result of opening or closing the drawer */
export declare class DrawerPromiseResult {
    type: 'open' | 'close';
    constructor(type: 'open' | 'close');
}
export declare function validateModeInput(inputStr: string): void;
export declare function validateAlignInput(inputStr: string): void;
/** Drawer that can be opened or closed on the drawer container */
export declare class Drawer implements AfterContentInit {
    protected elementRef: ElementRef;
    readonly _openChange: EventEmitter<boolean>;
    private _mode;
    private _align;
    /** Mode of the drawer: `over`, `push` or `side` */
    mode: string;
    /** Side the drawer is attached to: `left` or `right` */
    align: string;
    /** Event emitted when drawer has started to open */
    readonly openStart: Observable<void>;
    /** Event emitted when drawer has started to close */
    readonly closeStart: Observable<void>;
    /** Event emitted when drawer has opened */
    readonly _openStream: Observable<void>;
    /** Event emitted when drawer has closed */
    readonly _closeStream: Observable<void>;
    /** Tabindex of the element */
    tabindex: number;
    _drawerClass: boolean;
    readonly _animationStarted: EventEmitter<AnimationEvent>;
    private _animationDisabled;
    private _drawerOpened;
    private _animationPromise;
    private _resolveAnimationPromise;
    /** Whether the drawer is opened. */
    opened: boolean;
    readonly _width: number;
    readonly _isOpened: boolean;
    readonly _isOpening: boolean;
    readonly _isClosed: boolean;
    readonly _isClosing: boolean;
    readonly _isRight: boolean;
    readonly _openState: 'void' | 'open-instant' | 'open';
    _onAnimationStart(event: AnimationEvent): void;
    _onAnimationEnd(event: AnimationEvent): void;
    _onKeyDown(event: KeyboardEvent): void;
    constructor(elementRef: ElementRef);
    ngAfterContentInit(): void;
    /** Toggles the drawer open */
    toggleOpen(): Promise<DrawerPromiseResult>;
    /** Toggles the drawer closed */
    toggleClose(): Promise<DrawerPromiseResult>;
    /** Toggles the drawer */
    toggle(isOpen?: boolean): Promise<DrawerPromiseResult>;
}