koningskristof/year refactoring - example 4.js

## year refactoring - example 4.js
export class ExternalService  {
   public static $inject: Array<String> = [
       'externalService'
   ];

   constructor( private externalService) {
   }

   public getSomeState() {
       return this.externalService.getSomeState();
   }
}
	export class ExternalService {
	public static $inject: Array<String> = [
	'externalService'
	];

	constructor( private externalService) {
	}

	public getSomeState() {
	return this.externalService.getSomeState();
	}
	}