/**
 *
 * carbon-angular v0.0.0 | treeview.component.d.ts
 *
 * Copyright 2014, 2026 IBM
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0

 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


import { TemplateRef, EventEmitter, AfterViewInit, ElementRef, OnInit, OnDestroy } from "@angular/core";
import { EventOnNode, Node } from "./tree-node.types";
import { TreeViewService } from "./treeview.service";
import * as i0 from "@angular/core";
/**
 * Get started with importing the module:
 *
 * ```typescript
 * import { TreeviewModule } from 'carbon-components-angular';
 * ```
 *
 * [See demo](../../?path=/story/components-tree-view--basic)
 */
export declare class TreeViewComponent implements AfterViewInit, OnInit, OnDestroy {
    private document;
    treeViewService: TreeViewService;
    private elementRef;
    /**
     * Pass `Node[]` array to have tree view render the nodes
     * Passing value will disregard projected content
     */
    set tree(treeNodes: Node[]);
    get tree(): Node[];
    static treeViewCount: number;
    id: string;
    /**
     * Tree view label
     */
    label: string | TemplateRef<any>;
    /**
     * Optional context for label if it's a template
     */
    labelContext: any;
    /**
     * Specify the size of the list items in the tree
     */
    size: "xs" | "sm";
    /**
     * **Experimental** - Enable to select multiple nodes
     */
    set isMultiSelect(isMulti: boolean);
    select: EventEmitter<Node | Node[]>;
    toggle: EventEmitter<Node>;
    root: ElementRef;
    private treeWalker;
    private _tree;
    private subscription;
    constructor(document: Document, treeViewService: TreeViewService, elementRef: ElementRef);
    /**
     * Subscribe for node selection
     */
    ngOnInit(): void;
    ngOnDestroy(): void;
    /**
     * Initialize tree walker to support keyboard navigation
     */
    ngAfterViewInit(): void;
    /**
     * Navigate tree using tree walker
     * @param event - KeyboardEvent
     */
    navigateTree(event: KeyboardEvent): void;
    /**
     * Propagate node toggle event
     * @param eventOnNode - EventOnNode
     */
    onNodeToggle(eventOnNode: EventOnNode): void;
    /**
     * Node focus change
     * @param node - Node
     */
    onNodeFocusChange(node: Node): void;
    isTemplate(value: any): boolean;
    isProjected(): boolean;
    private copyNode;
    static ɵfac: i0.ɵɵFactoryDeclaration<TreeViewComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<TreeViewComponent, "cds-tree-view", never, { "tree": "tree"; "id": "id"; "label": "label"; "labelContext": "labelContext"; "size": "size"; "isMultiSelect": "isMultiSelect"; }, { "select": "select"; "toggle": "toggle"; }, never, ["*"], false>;
}