import { Viewer3d, Plugin, PluginConfig, THREE } from "@x-viewer/core";
import { BasePanel } from "@x-viewer/ui";
/**
 * Tree view plugin config.
 */
export interface TreeViewPluginConfig extends Partial<PluginConfig> {
    /**
     * Host element id: panel is embedded there (fills the box) with left-dock styling.
     * If omitted, the panel floats over the viewer `widgetContainer` as before.
     */
    containerId?: string;
    /**
     * If panel is visible. It is visible by default.
     */
    visible?: boolean;
}
/**
 * Tree view plugin events.
 */
type TreeViewPluginEvents = {
    /**
     * Panel visibility change event.
     */
    visibilitychange: boolean;
};
/**
 * Tree view plugin.
 */
export declare class TreeViewPlugin extends Plugin<TreeViewPluginEvents> {
    static readonly DEFAULT_ID = "TreeViewPlugin";
    protected cfg: TreeViewPluginConfig;
    protected basePanel?: BasePanel;
    protected container?: HTMLDivElement;
    protected content?: HTMLDivElement;
    protected lastHighlightedObject?: THREE.Object3D;
    /** Current tree name filter (persisted across panel rebuilds). */
    private treeSearchQuery;
    private treeSearchInput?;
    private treeSearchDebounceId;
    /** `null` = no filter; otherwise uuids kept visible for current `treeSearchQuery`. */
    private treeSearchVisibleCache;
    /** Ends inline tree rename if one is active (`commit`: apply input to `node.name`). */
    private finishActiveTreeRename?;
    private treeDragDrop?;
    /** Suppresses the synthetic click after a tree drag (pointerup → click). */
    private suppressTreeClickAfterDrag;
    constructor(viewer: Viewer3d, cfg?: TreeViewPluginConfig);
    private onLanguageChange;
    protected applyLocalizedChrome(): void;
    protected updateContent(): void;
    setVisible(visible: boolean): void;
    isVisible(): boolean;
    protected onModelLoadOrRemove: () => void;
    protected onObjectSelected: (evt: THREE.Object3D) => void;
    protected onObjectDeselected: (evt: THREE.Object3D) => void;
    protected onSceneObjectRemoved: (object: THREE.Object3D) => void;
    protected onSceneObjectAdded: (object: THREE.Object3D) => void;
    destroy(): void;
    protected addContent(): void;
    protected onSceneNodeReparented: (object: THREE.Object3D) => void;
    private onTreeSearchInputClick;
    private onTreeSearchKeydown;
    private onTreeSearchInput;
    private removeTreeDomForSceneObject;
}
export {};