import { BoundingSphere, Vector3 } from '@vertexvis/geometry';
export declare function constrainViewVector(viewVector: Vector3.Vector3, boundingSphere: BoundingSphere.BoundingSphere): Vector3.Vector3;
export declare function updateLookAtRelativeToBoundingBoxCenter(originalLookAt: Vector3.Vector3, viewVector: Vector3.Vector3, boundingSphereCenter: Vector3.Vector3): Vector3.Vector3;
