three.js/src/loaders/AnimationLoader.d.ts

import { LoadingManager } from './LoadingManager';
import { Loader } from './Loader';
import { AnimationClip } from './../animation/AnimationClip';

export class AnimationLoader extends Loader {

	constructor( manager?: LoadingManager );

	load(
		url: string,
		onLoad: ( response: AnimationClip[] ) => void,
		onProgress?: ( request: ProgressEvent ) => void,
		onError?: ( event: ErrorEvent ) => void
	): void;
	loadAsync( url: string, onProgress?: ( event: ProgressEvent ) => void ): Promise<AnimationClip[]>;
	parse( json: any ): AnimationClip[];

}