order is important!!if StatusCode() and MimeType() is used, MimeType has to be called as the first one.

order is important!!if StatusCode() and MimeType() is used, MimeType has to be called as the first oneif StatusCode() is used the MimeType() has to be called to get a different mime-type as text/pain (settings of Text() and Json() will be ignored).

Default Error-Message swagger:response ErrorMessage.