import type { TrackballControlsProps } from './types.js';
/**
 * `<TrackballControls>` allow the camera to orbit freely around a target
 * without causing gimbal lock. This type of camera controller is commonly used
 * when the concepts of up and down are less important than the ability to
 * carefully inspect a model from every angle.
 *
 * For an alternative camera controller, see
 * [`<OrbitControls>`](https://threlte.xyz/docs/reference/extras/orbit-controls).
 *
 * If placed as a child of a camera component, `<TrackballControls>` will
 * attach to that camera. Otherwise, it attaches to the scene's default
 * camera. A camera can also be passed explicitly via the `camera` prop.
 * By default, damping is enabled. You can disable this by setting
 * `staticMoving` to true.
 *
 * ## Usage
 *
 * ```svelte
 * <script>
 * import { TrackballControls } from '@threlte/extras'
 * import { T } from '@threlte/core'
 * </script>
 *
 * <T.PerspectiveCamera
 * makeDefault
 * fov={50}
 * >
 * <TrackballControls />
 * </T.PerspectiveCamera>
 * ```
 *
 * `<TrackballControls>` is a light wrapper that will use its parent as the target camera and
 * the DOM element the renderer is rendering to as the DOM element to listen to. It will also
 * by demand invalidate the frame loop.
 */
declare const TrackballControls: import("svelte").Component<TrackballControlsProps, {}, "ref">;
type TrackballControls = ReturnType<typeof TrackballControls>;
export default TrackballControls;