title: Request.CreateResponse in asp.net core
body: <p>Below is my code (Partial code) and I want to migrate it into asp.net core.
  My problem is "Request.CreateResponse" is not working in below code. I google it a lot but unable to find any solution. How can I solve it? Package Microsoft.AspNet.WebApi.Core is also not working.</p>
  
  <pre><code>    [HttpPost]
      public HttpResponseMessage AddBusinessUsersToBusinessUnit(MyObject request)
      {
          return Request.CreateResponse(HttpStatusCode.Unauthorized);
      }
  </code></pre>
  
  <p>Thanks in advance.</p>