import { EventEmitter, OnInit } from '@angular/core';
import { TextBoxComponent } from '@progress/kendo-angular-inputs';
import { Observable } from 'rxjs';
export declare class TreeDropdownComponent implements OnInit {
    constructor();
    get value(): number;
    set value(v: number);
    get items(): any[];
    set items(v: any[]);
    selectedKeys: number[];
    expandedKeys: any;
    popupWidth: any;
    data: any[];
    show: boolean;
    text: string;
    valueChange: EventEmitter<number>;
    width: any;
    selected: EventEmitter<any>;
    parsedData: any[];
    searchTerm: string;
    ngOnInit(): void;
    onToggle(textBox: TextBoxComponent): void;
    selectionChange({ dataItem }: any): void;
    private findText;
    onkeyup(textBox: TextBoxComponent, event: KeyboardEvent): void;
    onfocus(value: string): void;
    onblur(textBox: TextBoxComponent): void;
    expandTo(term: string, data?: any[], indexes?: any[]): boolean;
    expandAll(data?: any[], indexes?: any[], parent?: string): void;
    search(items: any[], term: string): any[];
    contains(text: string, term: string): boolean;
    /**
     * A function that returns an observable instance which contains the
     * [child nodes](https://www.telerik.com/kendo-angular-ui/components/treeview/api/TreeViewComponent/#toc-children)
     * for a given parent node.
     */
    children: (dataitem: any) => Observable<any[]>;
    /**
     * A function that determines whether a given node
     * [has children](https://www.telerik.com/kendo-angular-ui/components/treeview/api/TreeViewComponent/#toc-haschildren).
     */
    hasChildren: (dataitem: any) => boolean;
}