import { Pane } from '../../base/pane';
export declare class MultiLayerSelectLevelTree extends Pane {
    static xtype: string;
    static EVENT_CHANGE: string;
    initTree<T>(nodes: T): void;
    populate<T>(nodes?: T[]): void;
    setValue(v: string[] | string): void;
    getValue(): string[];
    getAllLeaves<T>(): T[];
    getNodeById<T>(id: string): T;
    getNodeByValue<T>(id: string): T;
}