import { TemplateRef } from '@angular/core';
import { ITreeNodeHolder } from './tree.model';
import * as i0 from "@angular/core";
export declare type Context<T> = {
    $implicit: ITreeNodeHolder<T>;
};
/** Element that can be used as a template for a `TreeComponent`  */
export declare class TreeNodeDirective<T> {
    readonly templateRef: TemplateRef<Context<T>>;
    static ngTemplateContextGuard<T>(_: TreeNodeDirective<T>, ctx: any): ctx is Context<T>;
    constructor(templateRef: TemplateRef<Context<T>>);
    static ɵfac: i0.ɵɵFactoryDeclaration<TreeNodeDirective<any>, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TreeNodeDirective<any>, "[treeNode], ui-tree-node", never, {}, {}, never, never, false, never>;
}