import * as THREE from 'three';
export declare class CameraHelper extends THREE.LineSegments<CameraHelperBufferGeometry, THREE.LineBasicMaterial> {
    constructor(camera: THREE.Camera);
    update(): void;
    dispose(): void;
}
declare class CameraHelperBufferGeometry extends THREE.BufferGeometry {
    private camera;
    /**
     * Initializes a new instance of the CameraHelperBufferGeometry class.
     * @param camera The THREE.Camera instance for which the frustum is visualized.
     */
    constructor(camera: THREE.Camera);
    /**
     * Updates the geometry of the camera helper to reflect the current state of the camera.
     */
    update(): void;
    /**
     * Helper method to set a point in the geometry.
     */
    private _setPoint;
}
export {};