import { IImmutable as ITrackImmutable } from "../ITrack";
import Track from "../Track";
import Type from "./Type";
import Transcript, { Init as TranscriptInit } from "./Transcript";
import Vocabulary, { Init as VocabularyInit } from "./Vocabulary";
export interface IConstructor<Init, Class> {
    new (init: Init): Class;
}
export declare type Constructors = IConstructor<TranscriptInit, Transcript> | IConstructor<VocabularyInit, Vocabulary>;
export declare function register(type: Type.Transcript, constructor: IConstructor<TranscriptInit, Transcript>): void;
export declare function register(type: Type.Vocabulary, constructor: IConstructor<VocabularyInit, Vocabulary>): void;
export declare function factory(track: ITrackImmutable): Track;
export default factory;