import { ElementRef, OnDestroy, OnInit, EventEmitter } from '@angular/core';
import { ContainerFocusOptions } from '../configs/container-focus.config';
export declare class ContainerContentFocusDirective implements OnDestroy, OnInit {
    el: ElementRef;
    id: string;
    group: string;
    color: string;
    boxShadow_size: string;
    mContainerElement: HTMLElement;
    mConfigDefaults: ContainerFocusOptions;
    BACK_DROP_ID: string;
    protected _isFocus: boolean;
    constructor(el: ElementRef);
    ngOnDestroy(): void;
    ngOnInit(): void;
    delBackDrop(): void;
    craeteBackDrop(): void;
    addStyleBackDrop(node: HTMLElement): HTMLElement;
    addBackDrop(): void;
    removeBackDrop(): void;
    config: ContainerFocusOptions;
    protected getConfig(config?: ContainerFocusOptions): ContainerFocusOptions;
    onFocus: EventEmitter<ContainerContentFocusDirective>;
    onUnFocus: EventEmitter<ContainerContentFocusDirective>;
    readonly isFocus: boolean;
    toggle(): void;
    focus(): void;
    unFocus(event?: Event): void;
}