import type { VRMHumanBoneName } from '@pixiv/three-vrm';
import type { AnimationClip } from 'three';
export type CharacterAnimationMask = (boneName: VRMHumanBoneName) => boolean;
export declare function applyMask(clip: AnimationClip, mask: CharacterAnimationMask): void;
export declare const upperBody: CharacterAnimationMask;
export declare const lowerBody: CharacterAnimationMask;