/*!
 * @license
 * Copyright © 2005-2025 Hyland Software, Inc. and its affiliates. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { AfterViewInit, EventEmitter } from '@angular/core';
import { MatSelect } from '@angular/material/select';
import * as i0 from "@angular/core";
export declare class InfiniteSelectScrollDirective implements AfterViewInit {
    private matSelect;
    static readonly MAX_ITEMS = 50;
    /** Emitted when scroll reaches the last item. */
    scrollEnd: EventEmitter<Event>;
    private readonly destroyRef;
    private itemHeightToWaitBeforeLoadNext;
    constructor(matSelect: MatSelect);
    ngAfterViewInit(): void;
    private handleScrollEvent;
    private isScrollInNextFetchArea;
    private getItemHeight;
    static ɵfac: i0.ɵɵFactoryDeclaration<InfiniteSelectScrollDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<InfiniteSelectScrollDirective, "[adf-infinite-select-scroll]", never, {}, { "scrollEnd": "scrollEnd"; }, never, never, true, never>;
}