title: Partial classes in typescript
body: <p>files.ts</p>
  
  <pre><code>export class ServiceUrls {
   static baseUrl: string = 'http://localhost:52949/V1/';
      static baseImageUrl: string = 'http://localhost:52949/';
  }
  </code></pre>
  
  <p>filess1.ts</p>
  
  <pre><code>extends interface  ServiceUrls{
   static baseUrl: string = 'http://localhost:52949/V1/';
      static baseImageUrl: string = 'http://localhost:52949/';
  }
  </code></pre>
  
  <p>How to implement partial class in typescript.How should i give reference of same class to make it work like partial class.If i give same class name in files1.ts its giving error declaration or statement expected.</p>