/**
 * The abstract base class for all identifier types
 */
export declare abstract class NodeId {
    /**
     * @param other The other instance to check for equality
     */
    abstract equals(other: NodeId): boolean;
}
/**
 * The data structure of the location bar component. A location bar node holds the data of
 * a single node of the location bar. The type of the nodes id is generic and is determined
 * by the user of the location bar component (e.g. can be a combined identifier). Each node
 * can have a parent node (except the root node) and an array of children (except leaf nodes).
 */
export declare class LocationBarNode<T extends NodeId> {
    id: T;
    label: string;
    selectable: boolean;
    preSelected: boolean;
    private selectedChild;
    private children;
    /**
     * @param id The generic identifier of the node
     * @param label The label to visualize the node
     * @param selectable Indicator whether the node is selectable
     * @param preSelected Indicator whether the node is pre-selected
     */
    constructor(id: T, label: string, selectable?: boolean, preSelected?: boolean);
    /**
     * Returns the children of this node. If the children has not been determined so far, null will
     * be returned. If this node does not have any children, an empty array will be returned.
     */
    getChildren(): LocationBarNode<T>[];
    /**
     * Sets the children for this node
     * @param children The children to be set for this node
     * @return This node instance to support a fluent API
     */
    setChildren(children: LocationBarNode<T>[]): void;
    /**
     * Sets the new selected child
     * @param selectedChild The child to be selected
     */
    setSelectedChild(selectedChild: LocationBarNode<T>): void;
    /**
     * @returns The currently selected child
     */
    getSelectedChild(): LocationBarNode<T>;
    /**
     * @param other The other instance to check for equality
     */
    equals(other: LocationBarNode<T>): boolean;
}