import * as THREE from "three";
export type StereoViewingMode = "parallel" | "cross";
export declare function updateStereoCameras(stereo: THREE.StereoCamera, camera: THREE.PerspectiveCamera): void;
export declare function stereoPanelCameras(stereo: THREE.StereoCamera, mode: StereoViewingMode): readonly [THREE.PerspectiveCamera, THREE.PerspectiveCamera];
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