import * as i0 from '@angular/core';
import { AfterViewInit, OnDestroy, EventEmitter } from '@angular/core';

declare class AXStickyDirective implements AfterViewInit, OnDestroy {
    stickyClass: string;
    stickyOffset: number;
    stickyParent: string | HTMLElement;
    stickyTarget: string;
    isStickyChange: EventEmitter<boolean>;
    private element;
    private renderer;
    private zone;
    private cdr;
    private parentElement;
    private targetElement;
    private mutationObserver;
    private _isSticky;
    get isSticky(): boolean;
    set isSticky(value: boolean);
    private readonly onWindowResize;
    ngAfterViewInit(): void;
    private initSticky;
    private getScrollTop;
    /**
     * Toggle stuck styling only while this element is visually pinned (matches `position: sticky; top: 0`).
     * Scroll-offset thresholds would stay true for every section already passed, so multiple stacked stickies
     * would all keep `--stuck`; geometry fixes that.
     */
    private computeShouldStick;
    private applyStickyStateFromScrollPosition;
    private onParentScroll;
    private toggleStickyClasses;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<AXStickyDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<AXStickyDirective, "[axSticky]", ["axpSticky"], { "stickyClass": { "alias": "axpSticky"; "required": false; }; "stickyOffset": { "alias": "stickyOffset"; "required": false; }; "stickyParent": { "alias": "stickyParent"; "required": false; }; "stickyTarget": { "alias": "stickyTarget"; "required": false; }; }, { "isStickyChange": "isStickyChange"; }, never, never, true, never>;
}

export { AXStickyDirective };