anchor.diff:        #{<<"description">> := <<"bla bla bla">>,
           <<"parameters">> :=
           [#{<<"description">> := <<"bla">>,
  -          <<"in">> := <<"path">>,<<"name">> := <<"b">>,
  +          <<"in">> := <<"path">>, <<"name">> := <<"b">>,
             <<"required">> := false,
             <<"schema">> := #{<<"type">> := <<"string">>}}],
           <<"responses">> := #{}},
  
positive.code:         #{<<"description">> := <<"bla bla bla">>,
            <<"parameters">> :=
            [#{<<"description">> := <<"bla">>,
              <<"in">> := <<"path">>,<<"name">> := <<"b">>,
              <<"required">> := false,
              <<"schema">> := #{<<"type">> := <<"string">>}},
              #{<<"description">> := <<"bla">>,
                <<"in">> := <<"path">>,<<"name">> := <<"c">>,
                <<"required">> := false,
                <<"schema">> :=
                #{<<"example">> := <<"c">>,
  
negative.code:         #{<<"description">> := <<"bla bla bla">>,
            <<"parameters">> :=
            [#{<<"description">> := <<"bla">>,
              <<"in">> := <<"path">>, <<"name">> := <<"b">>,
              <<"required">> := false,
              <<"schema">> := #{<<"type">> := <<"string">>}},
              #{<<"description">> := <<"bla">>,
                <<"in">> := <<"path">>, <<"name">> := <<"c">>,
                <<"required">> := false,
                <<"schema">> :=
                #{<<"example">> := <<"c">>,
  