title: ASP.NET Web API Swagger (Swashbuckle) Duplicate OperationId
body: <p>I have a web api controller like below. 
  <a href="https://i.stack.imgur.com/D04m5.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/D04m5.jpg" alt="BarcodeImageController"></a>
  In swagger output I am having the below image
  <a href="https://i.stack.imgur.com/Oam45.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Oam45.jpg" alt="Swagger Output"></a>
  And when I want to consume it in my another console app, it is showing the below error
  <a href="https://i.stack.imgur.com/fVTTG.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/fVTTG.jpg" alt="Swagger Rest Client Error"></a></p>
  
  <p>Note I have followed the tutorial <a href="https://azure.microsoft.com/en-us/documentation/articles/app-service-api-dotnet-swashbuckle-customize/" rel="nofollow noreferrer">Customize Swashbuckle-generated API definitions</a>  but still getting the same error. Any idea? </p>