import { AfterViewInit, ChangeDetectorRef, ElementRef, NgZone, OnDestroy, OnInit, Renderer2 } from '@angular/core';
import { ActivatedRoute, Router } from '@angular/router';
import { BzLayoutService } from '../../layout/layout.service';
import { AffixObject } from './affix.interface';
export declare class BzAffixComponent implements OnDestroy, AfterViewInit, OnInit {
    private route;
    private cd;
    private _ngZone;
    private router;
    private _layoutService;
    private _renderer2;
    private _elRef;
    items: AffixObject[];
    currentHref: string;
    private _subscriptions;
    private fragment;
    private _subscription;
    private _headerSize;
    private currentFragment;
    private _isFirstTime;
    private _containerValue;
    set toc(value: AffixObject[]);
    title: string;
    set container(value: HTMLElement);
    constructor(route: ActivatedRoute, cd: ChangeDetectorRef, _ngZone: NgZone, router: Router, _layoutService: BzLayoutService, _renderer2: Renderer2, _elRef: ElementRef);
    ngOnInit(): void;
    ngAfterViewInit(): void;
    /**
    * Set scrollable container.
    *
    * @author Federico Gambardella<fedega86@libero.it>
    * @returns {void}
    */
    private _setScrollableContainer;
    /**
     * Manage scroll.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     */
    private _manageScroll;
    /**
     * Register scroll event.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @return {void}
     */
    private registerScrollEvent;
    /**
     * Handle scroll.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @return {void}
     */
    private _handleScroll;
    /**
     * Get condition.
     *
     * @author Federico Gambardella<federico.gamabrdella@micegroup.it>
     * @returns {boolean}
     */
    private _getCondition;
    /**
     * Set active item.
     *
     * @author Federico Gambardella<federico.gambardella@micgeroup.it>
     * @param {AffixObject} item
     * @return {void}
     */
    setActive(item: AffixObject): void;
    /**
     * Get container's offset.
     *
     * @author Federico Gambardella<federico.gambardella@micgeroup.it>
     * @return {SafeNumber}
     */
    private _getContainerOffset;
    /**
     * Get current url.
     *
     * @author Federico Gambardella<federico.gambardella@micgeroup.it>
     * @return {string}
     */
    private _getCurrentUrl;
    ngOnDestroy(): void;
}