import type { SplatMesh } from "@sparkjsdev/spark";
import { Behaviour } from "./Component.js";
/**
 * The {@link GaussianSplat} component loads and displays 3D Gaussian Splat models.
 * Supports `.ply`, `.spz`, and `.splat` file formats via SparkJS.
 *
 * **Properties:**
 * - `url` - URL to a gaussian splat file
 * - `opacity` - Global opacity multiplier (0-1)
 *
 * @example Load a splat file
 * ```ts
 * const splat = myObject.addComponent(GaussianSplat);
 * splat.url = "https://example.com/scene.spz";
 * await splat.initialized;
 * ```
 *
 * @summary Displays 3D Gaussian Splat models
 * @category Rendering
 * @group Components
 */
export declare class GaussianSplat extends Behaviour {
    /** URL to a gaussian splat file (.ply, .spz, .splat). Assigning a new value at runtime reloads the splat. */
    set url(value: string | undefined);
    get url(): string | undefined;
    private _url?;
    /** Global opacity multiplier (0-1) */
    set opacity(value: number);
    get opacity(): number;
    private _opacity;
    /** Whether splats support raycasting */
    set raycastable(value: boolean);
    get raycastable(): boolean;
    private _raycastable;
    /** The underlying SparkJS SplatMesh instance. Available after loading completes. */
    get splatMesh(): SplatMesh | null;
    /** Whether the splat model has finished loading */
    get isLoaded(): boolean;
    /** Promise that resolves when the splat model has been loaded and initialized */
    get initialized(): Promise<void>;
    private _splatMesh;
    private _initialized;
    private _loading;
    awake(): void;
    onEnable(): void;
    onDisable(): void;
    onDestroy(): void;
    /** Load a gaussian splat from a URL. Replaces any previously loaded splat. */
    load(url: string): Promise<SplatMesh | null>;
}