import * as THREE from 'three';
/**
 * Traverse given object and remove unnecessarily bound joints from every `THREE.SkinnedMesh`.
 * Some environments like mobile devices have a lower limit of bones and might be unable to perform mesh skinning, this function might resolve such an issue.
 * Also this function might greatly improve the performance of mesh skinning.
 *
 * @param root Root object that will be traversed
 */
export declare function removeUnnecessaryJoints(root: THREE.Object3D): void;