import { DataSource } from '@angular/cdk/collections';
import { BehaviorSubject, Observable } from 'rxjs';
import { SimTreeControl } from './tree-control';
import { SimTreeFlattener } from './tree-flattener';
export declare class SimTreeDataSource<T, F> extends DataSource<F> {
    private _treeModel;
    private _treeFlattener;
    _flattenedData: BehaviorSubject<F[]>;
    _expandedData: BehaviorSubject<F[]>;
    _data: BehaviorSubject<T[]>;
    get data(): T[];
    set data(value: T[]);
    constructor(_treeModel: SimTreeControl<F>, _treeFlattener: SimTreeFlattener<T, F>);
    connect(): Observable<F[]>;
    disconnect(): void;
}