export declare class UmbTreeItemOpenEvent extends Event {
    static readonly TYPE = "umb-tree-item-open";
    readonly unique: string;
    readonly entityType: string;
    constructor(args: {
        unique: string;
        entityType: string;
    }, eventInit?: EventInit);
}
declare global {
    interface GlobalEventHandlersEventMap {
        [UmbTreeItemOpenEvent.TYPE]: UmbTreeItemOpenEvent;
    }
}