/**-----------------------------------------------------------------------------------------
* Copyright © 2025 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { TemplateRef } from '@angular/core';
import * as i0 from "@angular/core";
/**
 * A directive that selects a [template](link:site.data.urls.angular['templatesyntax'])
 * within the `<kendo-sankey-tooltip>` component for the
 * [links tooltip](slug:tooltip_sankey#toc-specifying-a-link-tooltip-template).
 * The following context fields are frequently utilized:
 * - `let-source="source"`&mdash;The link source data item..
 * - `let-target="target"`&mdash;The link target data item.
 * - `let-value="value"`&mdash;The link value.
 * For the full list of available fields, refer to the [`SankeyLinkTooltipTemplateContext`](slug:api_charts_sankeylinktooltiptemplatecontext).
 *
 * @example
 * ```ts
 * import { Component } from '@angular/core';
 *
 * _@Component({
 *   selector: 'my-app',
 *   template: `
 *     <kendo-chart>
 *       <kendo-chart-tooltip>
 *          <ng-template kendoChartSeriesTooltipTemplate let-value="value">
 *             Value is {{value}}
 *           </ng-template>
 *       </kendo-chart-tooltip>
 *       <kendo-chart-series>
 *         <kendo-chart-series-item [data]="[1, 2, 3]">
 *         </kendo-chart-series-item>
 *       </kendo-chart-series>
 *     </kendo-chart>
 *   `
 * })
 * class AppComponent {
 * }
 *
 * import { Component } from '@angular/core';
 * import { SankeyData } from '@progress/kendo-angular-charts';
 *
 * _@Component({
 *   selector: 'my-app',
 *   template: `
 *       <kendo-sankey [data]="data">
 *         <kendo-sankey-tooltip [followPointer]="true">
 *             <ng-template kendoSankeyLinkTooltipTemplate let-source="source" let-target="target" let-value="value">
 *                 {{ source.label?.text }} - {{ target.label?.text }}: {{ value }}
 *             </ng-template>
 *         </kendo-sankey-tooltip>
 *       </kendo-sankey>
 *   `,
 * })
 * export class AppComponent {
 *     public data: SankeyData = {
 *         nodes: [
 *           { id: 1, label: { text: 'Linux' } },
 *           { id: 0, label: { text: 'iOS'} },
 *           { id: 2, label: { text: 'Mobile' } },
 *           { id: 3, label: { text: 'Desktop' } },
 *         ],
 *         links: [
 *           { sourceId: 0, targetId: 2, value: 1 },
 *           { sourceId: 1, targetId: 2, value: 2 },
 *           { sourceId: 1, targetId: 3, value: 3 },
 *         ],
 *     };
 * }
 *
 * ```
 */
export declare class SankeyLinkTooltipTemplateDirective {
    templateRef: TemplateRef<any>;
    constructor(templateRef: TemplateRef<any>);
    static ɵfac: i0.ɵɵFactoryDeclaration<SankeyLinkTooltipTemplateDirective, [{ optional: true; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SankeyLinkTooltipTemplateDirective, "[kendoSankeyLinkTooltipTemplate]", never, {}, {}, never, never, true, never>;
}