import { DataSource } from '@angular/cdk/collections';
import { CdkVirtualScrollViewport } from '@angular/cdk/scrolling';
import { BehaviorSubject, Observable } from 'rxjs';
import { EsTablePageData, EsTableRow } from "../model/es-table.interface";
import { Subject } from "rxjs/internal/Subject";
interface TablePagedDataSourceAttributes {
    preloadOffset?: number;
}
export declare class TablePagedDataSource extends DataSource<any> {
    private pageRetriever;
    private viewport;
    private itemSize;
    private pageSize;
    private totalRows;
    private attributes?;
    private data;
    loadedPages: Set<number>;
    pageIndex: BehaviorSubject<number>;
    offset: number;
    isLoading: BehaviorSubject<boolean>;
    preloadPage: Subject<number>;
    constructor(pageRetriever: (number: any) => Observable<EsTablePageData>, viewport: CdkVirtualScrollViewport, itemSize: number, pageSize: number, totalRows: number, attributes?: TablePagedDataSourceAttributes);
    readonly visibleData: BehaviorSubject<any[]>;
    getPageData(page: number): void;
    setPageData(data: EsTableRow[], page: number): void;
    updateVisibleData(ev?: any): void;
    connect(collectionViewer: import('@angular/cdk/collections').CollectionViewer): Observable<any[] | ReadonlyArray<any>>;
    disconnect(collectionViewer: import('@angular/cdk/collections').CollectionViewer): void;
}
export {};