anchor.diff:                        enumeration = {"1", "2"})})
   @Server(
       description = "class server 2",
  -    url = "http:/{var1}.class2",
  +    url = "http://{var1}.class2",
       variables = {
               @ServerVariable(
                          name = "var1",
  
positive.code:     @Path("/")
      @Server(
          description = "method server 1",
          url = "http:/{var1}.method1",
          variables = {
              @ServerVariable(
                        name = "var1",
  
negative.code:             - "1"
              - "2"
              default: "1"
        - url: http://{var1}.class2
          description: class server 2
          variables:
            var1:
  