import { VRM } from "@pixiv/three-vrm";
/**
 *
 * @param currentVrm
 * @param audio
 * @param audioContext
 * @param onAudioStart
 * @param onAudioEnd
 * @param onAudioErr
 * @returns
 */
export declare const startLipSync: (currentVrm: VRM | undefined, audio: HTMLAudioElement, audioContext: AudioContext, onAudioStart: Function, onAudioEnd: Function, onAudioErr: Function) => Promise<void>;
