three.js/examples/jsm/utils/SkeletonUtils.d.ts

import {AnimationClip, Bone, Matrix4, Object3D, Skeleton, SkeletonHelper} from "../../..";

export namespace SkeletonUtils {
	export function retarget(target: Object3D | Skeleton,
					 source: Object3D | Skeleton,
					 options: {}): void;

	export function retargetClip(target: Skeleton | Object3D,
							 source: Skeleton | Object3D,
							 clip: AnimationClip,
							 options: {}): AnimationClip;

	export function getHelperFromSkeleton(skeleton: Skeleton): SkeletonHelper;

	export function getSkeletonOffsets(target: Object3D | Skeleton,
										 source: Object3D | Skeleton,
										 options: {}): Matrix4[];

	export function renameBones(skeleton: Skeleton, names: {}): any;

	export function getBones(skeleton: Skeleton | Bone[]): Bone[];

	export function getBoneByName(name: string, skeleton: Skeleton): Bone;

	export function getNearestBone(bone: Bone, names: {}): Bone;

	export function findBoneTrackData(name: string, tracks: any[]): {};

	export function getEqualsBonesNames(skeleton: Skeleton, targetSkeleton: Skeleton): string[];

  export function clone(source: Object3D | Skeleton): Object3D | Skeleton;
}