import { EventEmitter, TemplateRef } from '@angular/core';
import { CdkVirtualScrollViewport } from '@angular/cdk/scrolling';
import * as i0 from "@angular/core";
export type OrientationType = 'horizontal' | 'vertical';
export declare class CtyVirtualScroll {
    cdkVirtualScrollViewport: CdkVirtualScrollViewport;
    ctyVirtualScrollTpl: TemplateRef<any>;
    ctyScrollIndexChange: EventEmitter<number>;
    list: any[];
    itemSize: number;
    minBufferPx: number;
    maxBufferPx: number;
    appendOnly: boolean;
    templateCacheSize: number;
    orientation: OrientationType;
    constructor();
    scrolled(index: number): void;
    getVirtualScroll(): CdkVirtualScrollViewport;
    static ɵfac: i0.ɵɵFactoryDeclaration<CtyVirtualScroll, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<CtyVirtualScroll, "cty-virtual-scroll", never, { "list": { "alias": "list"; "required": true; }; "itemSize": { "alias": "itemSize"; "required": false; }; "minBufferPx": { "alias": "minBufferPx"; "required": false; }; "maxBufferPx": { "alias": "maxBufferPx"; "required": false; }; "appendOnly": { "alias": "appendOnly"; "required": false; }; "templateCacheSize": { "alias": "templateCacheSize"; "required": false; }; "orientation": { "alias": "orientation"; "required": false; }; }, { "ctyScrollIndexChange": "ctyScrollIndexChange"; }, ["ctyVirtualScrollTpl"], never, true, never>;
}