import { OnDestroy, OnInit } from '@angular/core';
import { SankeyNodeLink } from './interfaces/node-link.interface';
import * as i0 from "@angular/core";
export declare class SankeyNodeDirective<T> implements OnInit, OnDestroy {
    private readonly _focusManager;
    private readonly _elementRef;
    /** Access the node data */
    node: SankeyNodeLink<T>;
    /** Specify the tab index of the current item */
    tabIndex: number;
    /** Unsubscribe from all observables on destroy */
    private readonly _onDestroy;
    ngOnInit(): void;
    ngOnDestroy(): void;
    onClick(): void;
    onKeydown(event: KeyboardEvent): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SankeyNodeDirective<any>, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SankeyNodeDirective<any>, "[uxSankeyNode]", never, { "node": { "alias": "uxSankeyNode"; "required": false; }; }, {}, never, never, false, never>;
}