/**
 * Copyright (C) 2020-2024 Linagora
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version, provided you comply with the Additional Terms applicable for
 * LinID Directory Manager software by LINAGORA pursuant to Section 7 of the GNU
 * Affero General Public License, subsections (b), (c), and (e), pursuant to
 * which these Appropriate Legal Notices must notably (i) retain the display of
 * the "LinID™" trademark/logo at the top of the interface window, the display
 * of the “You are using the Open Source and free version of LinID™, powered by
 * Linagora © 2009–2013. Contribute to LinID R&D by subscribing to an Enterprise
 * offer!” infobox and in the e-mails sent with the Program, notice appended to
 * any type of outbound messages (e.g. e-mail and meeting requests) as well as
 * in the LinID Directory Manager user interface, (ii) retain all hypertext
 * links between LinID Directory Manager and https://linid.org/, as well as
 * between LINAGORA and LINAGORA.com, and (iii) refrain from infringing LINAGORA
 * intellectual property rights over its trademarks and commercial brands. Other
 * Additional Terms apply, see <http://www.linagora.com/licenses/> for more
 * details.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License and
 * its applicable Additional Terms for LinID Directory Manager along with this
 * program. If not, see <http://www.gnu.org/licenses/> for the GNU Affero
 * General Public License version 3 and <http://www.linagora.com/licenses/> for
 * the Additional Terms applicable to the LinID Directory Manager software.
 */
import { EventEmitter, NgZone, OnChanges, OnDestroy, OnInit, Renderer2, SimpleChanges } from '@angular/core';
import { MatAutocomplete } from '@angular/material/autocomplete';
import * as i0 from "@angular/core";
export declare class InfiniteScrollDirective implements OnInit, OnDestroy, OnChanges {
    private _matAutocomplete;
    private _ngZone;
    private _renderer;
    threshold: string;
    debounceTime: number;
    complete: boolean;
    inputWidth: number;
    infiniteScroll: EventEmitter<void>;
    private panel;
    private thrPx;
    private thrPc;
    private singleOptionHeight;
    private _onDestroy$;
    constructor(_matAutocomplete: MatAutocomplete, _ngZone: NgZone, _renderer: Renderer2);
    isOpened: boolean;
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    evaluateThreshold(): void;
    registerScrollListener(): void;
    handleScrollEvent(event: any): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<InfiniteScrollDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<InfiniteScrollDirective, "[appInfiniteScroll]", never, { "threshold": { "alias": "threshold"; "required": false; }; "debounceTime": { "alias": "debounceTime"; "required": false; }; "complete": { "alias": "complete"; "required": false; }; "inputWidth": { "alias": "inputWidth"; "required": false; }; "isOpened": { "alias": "isOpened"; "required": false; }; }, { "infiniteScroll": "infiniteScroll"; }, never, never, false, never>;
}