import { EventEmitter, ElementRef, Renderer } from '@angular/core';
import { OnInit, OnDestroy } from '@angular/core';
import { Layout } from './layout';
export declare type TriggerType = 'clickTrigger' | 'responsive';
/**
 * Sider
 */
export declare class Sider implements OnInit, OnDestroy {
    private renderer;
    private elementRef;
    private layout;
    /** 样式前缀 */
    prefixCls: string;
    collapsible: boolean;
    collapsed: boolean;
    reverseArrow: boolean;
    width: number;
    collapsedWidth: number;
    breakpoint: 'xs' | 'sm' | 'md' | 'lg' | 'xl';
    trigger: any;
    /** 用户CSS样式 */
    class: string;
    /**
     * collapse事件
     */
    collapse: EventEmitter<{
        collapsed: boolean;
        type: TriggerType;
    }>;
    below: false;
    private mql;
    private _responsiveHandler;
    constructor(renderer: Renderer, elementRef: ElementRef, layout: Layout);
    ngOnInit(): void;
    ngOnDestroy(): void;
    readonly classes: string;
    readonly siderFlex: string;
    readonly siderWidth: string;
    responsiveHandler(mql: any): void;
    setCollapsed(collapsed: boolean, type: TriggerType): void;
    toggle(): void;
}