Conformance 2.17 (use of JAXB annotations): An SEI method MUST contain the appropriate JAXB annotations
to assure that the proper XML infoset is used when marshalling/unmarshalling the return type.
Parameters of an SEI method MUST contain the appropriate JAXB annotations to assure that the proper
XML infoset is used when marshalling/unmarshalling the parameters of the method. The set of JAXB annotations
thatMUST be supported are: javax.xml.bind.annotation.XmlAttachementRef,javax-
.xml.bind.annotation.XmlList, javax.xml.bind.XmlMimeTypeand javax.xml.bind.annotation.
adapters.XmlJavaTypeAdapter.