import { ReplaySubject } from 'rxjs';
import * as i0 from "@angular/core";
export declare class VirtualForService<T> {
    /** Store the size of each item */
    itemSize: number;
    /** Emit the current dataset */
    dataset: ReplaySubject<T[]>;
    /** Emit the visible range */
    range: ReplaySubject<VirtualForRange>;
    static ɵfac: i0.ɵɵFactoryDeclaration<VirtualForService<any>, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<VirtualForService<any>>;
}
export interface VirtualForRange {
    start: number;
    end: number;
}