/**
 * @desc A node within a {@link TreeViewPlugin}.
 *
 * These are provided by {@link TreeViewPlugin#withNodeTree} and the
 * [contextmenu](https://developer.mozilla.org/en-US/docs/Web/API/Element/contextmenu_event) event fired by
 * TreeViewPlugin whenever we right-click on a tree node.
 *
 * @interface
 * @abstract
 */
export class TreeViewNode {
    /**
     * Globally unique node ID.
     *
     * @type {String}
     * @abstract
     */
    get nodeId(): string;
    /**
     * Title of the TreeViewNode.
     *
     * @type {String}
     * @abstract
     */
    get title(): string;
    /**
     * ID of the corresponding {@link MetaObject}.
     *
     * This is only defined if the TreeViewNode represents an object.
     *
     * @type {Number|String}
     * @abstract
     */
    get objectId(): string | number;
    /**
     * The child TreeViewNodes.
     *
     * @type {Array}
     * @abstract
     */
    get children(): any[];
    /** The parent TreeViewNode.
     *
     * @type {TreeViewNode}
     * @abstract
     */
    get parent(): TreeViewNode;
    /** The number of {@link Entity}s within the subtree of this TreeViewNode.
     *
     * @type {Number}
     * @abstract
     */
    get numEntities(): number;
    /** The number of {@link Entity}s that are currently visible within the subtree of this TreeViewNode.
     *
     * @type {Number}
     * @abstract
     */
    get numVisibleEntities(): number;
    /** Whether or not the TreeViewNode is currently checked.
     *
     * @type {Boolean}
     * @abstract
     */
    get checked(): boolean;
}