import { CommandHost, CommandInfo } from '@narik/infrastructure';
import { EventEmitter, Injector } from '@angular/core';
import { Observable } from 'rxjs';
import { NarikUiComponent } from '../base/narik-ui-component';
import * as i0 from "@angular/core";
export declare abstract class NarikTreeview extends NarikUiComponent implements CommandHost {
    change$: Observable<any>;
    _selectedNode: any;
    set selectedNode(value: any);
    get selectedNode(): any;
    selectedNodeChange: EventEmitter<any>;
    toolbarKey: string;
    _dataSource: any;
    set dataSource(value: any);
    get dataSource(): any;
    /**
     *
     */
    constructor(injector: Injector);
    processCommand(cmd: CommandInfo): void;
    abstract addNode(selectedNode: any): any;
    abstract deleteNode(selectedNode: any): any;
    dataSourceChanged(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NarikTreeview, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NarikTreeview, never, never, { "toolbarKey": "toolbarKey"; "dataSource": "dataSource"; }, { "selectedNodeChange": "selectedNodeChange"; }, never>;
}