1. Constructors
  2. Envelope
  3. fromJson
  4. fromXmlFile
  5. fromXmlString
  6. Properties
  7. body
  8. hashCode
  9. header
  10. runtimeType
  11. Methods
  12. buildXml
  13. noSuchMethod
  14. toString
  15. toXml
  16. Operators
  17. operator ==