import { Camera } from "@galacean/engine";
import { XRTrackedInputDevice } from "../../input/XRTrackedInputDevice";
/**
 * The manager of XR camera.
 */
export declare class XRCameraManager {
    private _xrManager;
    /**
     * The fixed foveation of the camera.
     */
    get fixedFoveation(): number;
    set fixedFoveation(value: number);
    /**
     * Attach the camera to the specified input type(Camera, LeftCamera or RightCamera).
     * The camera entity need to be moved to the XROrigin entity.
     * @param type - The input type
     * @param camera - The camera to be attached
     */
    attachCamera(type: XRTrackedInputDevice.Camera | XRTrackedInputDevice.LeftCamera | XRTrackedInputDevice.RightCamera, camera: Camera): void;
    /**
     * Detach the camera from the specified input type.
     * @param type - The input type
     * @returns The camera that was detached
     */
    detachCamera(type: XRTrackedInputDevice.Camera | XRTrackedInputDevice.LeftCamera | XRTrackedInputDevice.RightCamera): Camera;
}