|  | // Copyright (C) 2018 The Android Open Source Project | 
|  | // | 
|  | // Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | // you may not use this file except in compliance with the License. | 
|  | // You may obtain a copy of the License at | 
|  | // | 
|  | //      http://www.apache.org/licenses/LICENSE-2.0 | 
|  | // | 
|  | // Unless required by applicable law or agreed to in writing, software | 
|  | // distributed under the License is distributed on an "AS IS" BASIS, | 
|  | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | // See the License for the specific language governing permissions and | 
|  | // limitations under the License. | 
|  |  | 
|  | import {Registry} from '../common/registry'; | 
|  | import {TrackCreator} from './track'; | 
|  |  | 
|  | /** | 
|  | * Global registry that maps types to TrackCreator. | 
|  | */ | 
|  | export const trackRegistry = new Registry<TrackCreator>(); |