/** @format */
import { DataSource } from '@angular/cdk/collections';
import { BehaviorSubject, Observable } from 'rxjs';
import { NgxMatDatasourceRequestOptions, NgxMatDatasourceResultFacet, NgxMatDatasourceService } from './types/datasource-service.type';
export declare class DatagridDataSource<Record> extends DataSource<Record> {
    private service;
    loading$: BehaviorSubject<boolean>;
    recordsFiltered: number;
    recordsTotal?: number;
    facets?: {
        [id: string]: NgxMatDatasourceResultFacet[];
    };
    rowSize: number;
    get data(): Record[];
    private options?;
    protected dataStream: BehaviorSubject<Record[]>;
    constructor(service: NgxMatDatasourceService<Record>);
    connect(): Observable<Record[]>;
    disconnect(): void;
    loadData(options: NgxMatDatasourceRequestOptions): Promise<void>;
    refresh(): void;
    redraw(match?: (record: Record) => boolean): void;
    private calculateRowSize;
}