import { ChangeDetectorRef, ElementRef, EventEmitter, OnDestroy, OnInit, TemplateRef } from '@angular/core';
import { Subject } from 'rxjs';
export declare class NgScrollComponent implements OnInit, OnDestroy {
    private cdr;
    private _data;
    get data(): any[];
    set data(list: any[]);
    pageSize: number;
    cachedPage: number;
    component: any;
    events: any;
    addOnBefore: TemplateRef<any>;
    private _itemWidth;
    get itemWidth(): number;
    set itemWidth(value: number);
    trackRule: any;
    getData: EventEmitter<any>;
    clearCachedData: EventEmitter<any>;
    wrapper: ElementRef;
    cardGroupWrapper: any;
    wrapperLeftPadding: number;
    wrapperRightPadding: number;
    scrollTrigger$: Subject<unknown>;
    wheelTrigger$: Subject<unknown>;
    resizeTrigger$: Subject<unknown>;
    destroyTrigger$: Subject<unknown>;
    currentCachedPageNumber: any[];
    processedData: any;
    private _currentFirstPage;
    get currentFirstPage(): number;
    set currentFirstPage(value: number);
    seenState: any;
    waitedToBeLoaded: number | null;
    isWaitingToBeLoaded: boolean;
    waitedToBeClear: number | null;
    blockedTarget: number | null;
    maxPage: number;
    placeholderArray: any[];
    unableToGet: {
        up: boolean;
        down: boolean;
    };
    scrollDirection: string;
    maxRollingDistanceAtBounday: number;
    rollingDistanceAtBounday: number;
    boundayRolling$: Subject<unknown>;
    columnNumber: number;
    shouldScrolleWhenInit: boolean;
    scrollTargetPage: number | null;
    scrollTargetIndex: number | null;
    firstRender: boolean;
    constructor(cdr: ChangeDetectorRef);
    ngOnInit(): void;
    ngOnDestroy(): void;
    render(): void;
    getInitialData(update?: boolean, page?: any, targetPage?: any, targetIndex?: any): void;
    bindWheel(): void;
    bindScroll(): void;
    bindResize(): void;
    scroll(): void;
    private processData;
    private changeCurrentCachedPageNumber;
    resetPadding(): void;
    setPadding(padding: any): void;
    recordColumnNumber(number: any): void;
    setMaxPage(count: number): void;
    handleChangeSeenState(data: any): void;
    private doClear;
    private setunableToGetData;
    cancelGetData(): void;
    resetWaiting(): void;
    clearProcessedData(id: any): void;
    dealNewDataFromResponse(response: {
        count: number;
        results: Array<any>;
    }, currentData: any, overwrite: boolean, direction?: string): any;
    countPlaceHolder(page: any): void;
    getPage(): string;
    getRange(): {
        start: number;
        end: number;
    };
    doInit(page?: number, targetindex?: any): void;
    detectChanges(): void;
}