import { Sprite } from 'three';
import type { Scene } from 'three';
import type { HubItem } from './hub-model.js';
/**
 * Renders clickable lobby panels for vz-hub: one sprite per HubItem, positioned
 * around the viewer via hubPanelLayout on the inside of the panorama sphere.
 * Each sprite starts as a titled placeholder card and, if the item has a poster,
 * swaps to the poster texture once it loads. `userData.portalTo` carries the
 * item index as a string so the shared HotspotInteraction raycaster can drive
 * selection with no changes.
 */
export declare class HubPanelRenderer {
    private sprites;
    private posterTextures;
    private scene;
    private loader;
    constructor(scene: Scene);
    /** Build a panel sprite per item and add them to the scene. */
    setItems(items: HubItem[]): void;
    /** Sprites for raycasting (consumed by HotspotInteraction). */
    getSprites(): Sprite[];
    clear(): void;
    dispose(): void;
    private createPanelSprite;
}
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