import { TemplateRef, AfterViewInit, OnDestroy } from '@angular/core';
export declare class LazyScrollComponent implements AfterViewInit, OnDestroy {
    items: any[];
    itemHeight: number;
    viewportHeight: number;
    bufferSize: number;
    fetchMore: () => Promise<any>;
    visibleRangeChange: any;
    loadingChange: any;
    itemTemplate: TemplateRef<any>;
    visibleRange: {
        start: number;
        end: number;
    };
    isLoading: boolean;
    get topPadding(): number;
    get bottomPadding(): number;
    get visibleItems(): any[];
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    onVisibleRangeChange(range: {
        start: number;
        end: number;
    }): void;
    onLoadingChange(loading: boolean): void;
    trackByFn(index: number, item: any): any;
}
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