import { Vec3 } from 'playcanvas';
import { AsyncElement } from './async-element';
/**
 * The SkyElement interface provides properties and methods for manipulating
 * `<pc-sky>` elements. The SkyElement interface also inherits the properties and
 * methods of the {@link HTMLElement} interface.
 */
declare class SkyElement extends AsyncElement {
    private _asset;
    private _center;
    private _intensity;
    private _rotation;
    private _level;
    private _lighting;
    private _scale;
    private _type;
    private _scene;
    connectedCallback(): void;
    disconnectedCallback(): void;
    private _generateSkybox;
    private _loadSkybox;
    private _unloadSkybox;
    /**
     * Sets the id of the `pc-asset` to use for the skybox.
     * @param value - The asset ID.
     */
    set asset(value: string);
    /**
     * Gets the id of the `pc-asset` to use for the skybox.
     * @returns The asset ID.
     */
    get asset(): string;
    /**
     * Sets the center of the skybox.
     * @param value - The center.
     */
    set center(value: Vec3);
    /**
     * Gets the center of the skybox.
     * @returns The center.
     */
    get center(): Vec3;
    /**
     * Sets the intensity of the skybox.
     * @param value - The intensity.
     */
    set intensity(value: number);
    /**
     * Gets the intensity of the skybox.
     * @returns The intensity.
     */
    get intensity(): number;
    /**
     * Sets the mip level of the skybox.
     * @param value - The mip level.
     */
    set level(value: number);
    /**
     * Gets the mip level of the skybox.
     * @returns The mip level.
     */
    get level(): number;
    /**
     * Sets whether the skybox is used as a light source.
     * @param value - Whether to use lighting.
     */
    set lighting(value: boolean);
    /**
     * Gets whether the skybox is used as a light source.
     * @returns Whether to use lighting.
     */
    get lighting(): boolean;
    /**
     * Sets the Euler rotation of the skybox.
     * @param value - The rotation.
     */
    set rotation(value: Vec3);
    /**
     * Gets the Euler rotation of the skybox.
     * @returns The rotation.
     */
    get rotation(): Vec3;
    /**
     * Sets the scale of the skybox.
     * @param value - The scale.
     */
    set scale(value: Vec3);
    /**
     * Gets the scale of the skybox.
     * @returns The scale.
     */
    get scale(): Vec3;
    /**
     * Sets the type of the skybox.
     * @param value - The type.
     */
    set type(value: 'box' | 'dome' | 'infinite' | 'none');
    /**
     * Gets the type of the skybox.
     * @returns The type.
     */
    get type(): "box" | "dome" | "infinite" | "none";
    static get observedAttributes(): string[];
    attributeChangedCallback(name: string, _oldValue: string, newValue: string): void;
}
export { SkyElement };