anchor.diff:              },
               "message": "stage not found"
           }
  -        
  +
   ## Stages Collection [/stages]
   
   ### List All Stages [GET]
   
   + Response 200 (application/hal+json)
       + Body
  -    
  +
               {
                   "_links": {
                       "self": { "href": "/stages" }
  
positive.code: + Response 200 (application/hal+json)
  
      [Stage][]
      
  + Response 404 (application/vnd.error+json)
  
          {
  
negative.code:                 "providers": { "href": "/providers" },
                  "stages": { "href": "/stages" },
                  "categories": { "href": "/categories" },
                  "service-users": { "href": "/service-users" },
                  "issues": { "href": "/issues" }
              }
          }
  