import { SimpleChanges, QueryList, TemplateRef, EventEmitter } from '@angular/core';
export declare class TreeLevel {
    textProperty: string;
    leaf: boolean;
    template: TemplateRef<any>;
}
export declare class TreeComponent {
    style: any;
    data: any[];
    singleExpand: boolean;
    nodeExpand: EventEmitter<any>;
    nodeSelect: EventEmitter<any>;
    nodeLoaded: EventEmitter<any>;
    levels: QueryList<TreeLevel>;
    results: any[];
    selectedNode: any;
    ngAfterContentInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    private update;
    onNodeSelect(event: any): void;
    onNodeExpand(event: any): void;
}
export declare class TreeModule {
}