import { NodeItem } from './node-item';
export interface TreeNgx {
    /**
     * Add a new node to the tree.
     *
     * @param nodeItem - The node to be added
     * @param id - Id of the parent node, if null add to root
     */
    addNodeById(nodeItem: NodeItem<any>, id?: string): void;
    /**
     * Delete a node from the tree.
     *
     * @param id - Id of the node
     */
    deleteById(id: string): void;
    /**
     *
     * @param id - Id of the node
     * @param name - New name of the node
     */
    editNameById(id: string, name: string): void;
    /**
     *
     * @param id  - Id of the node.
     * @param item - New item of the node
     */
    editItemById(id: string, item: any): void;
    /**
     * Expand all parents of a node.
     *
     * @param id - Id of the node
     */
    expandById(id: string): void;
    /**
     * Collapse specified node.
     *
     * @param id - Id of the node
     */
    collapseById(id: string): void;
    /**
     * Trigger a select action.
     *
     * @param id - Id of the node
     */
    selectById(id: string): void;
    /**
    * Get the parent of a node.
    *
    * @param id - Id of the node
    *
    * @returns - The parent of the node
    */
    getParentById(id: string): NodeItem<any>;
    /**
     *
     * Expand all nodes.
     */
    expandAll(): void;
    /**
     *
     * Collapse all nodes.
     */
    collapseAll(): void;
}