1  <!---
 2  What types of changes does your code introduce? Put an `x` in all the boxes that apply:
 3  -->
 4  
 5  - [ ] Bug fix <!-- (change which fixes an issue) -->
 6  - [ ] New feature <!-- (change which adds functionality) -->
 7  - [ ] Chore <!-- (change which doesn't affect the usage of the package (such as documentation, build process, or project setup changes)) -->
 8  - [ ] Breaking change <!-- (fix or feature that would cause existing functionality to change) -->
 9  - [ ] There is an open issue which this change addresses
10  - [ ] My commits follow the [Git Commit Guidelines](https://github.com/angular/angular.js/blob/master/DEVELOPERS.md#commits)
11  - [ ] My code follows the code style of this project.
12  - [ ] My change requires a change to the documentation.
13    - [ ] I have updated the documentation accordingly.
14  - [ ] My change requires a change to Typescript typings.
15    - [ ] I have updated the typings accordingly.
16  
17  <!-- Put any other information you believe would be useful to know when reviewing this PR below -->
18  
19  <!---
20  If there is an issue this PR addresses, please make sure it is in the commit message per the Git Commit Guidelines above
21  **AND** put the issue number below, indicating that it closes or fixes the issue.
22  -->