question: gets the value of the expiration property . concode_field_sep XMLGregorianCalendar timeFrom concode_elem_sep Integer riskLevelID concode_elem_sep XMLGregorianCalendar timeTo concode_elem_sep XMLGregorianCalendar expiration concode_elem_sep String userID concode_field_sep Integer getRiskLevelID concode_elem_sep void setRiskLevelID concode_elem_sep void setTimeFrom concode_elem_sep void setTimeTo concode_elem_sep XMLGregorianCalendar getTimeTo concode_elem_sep void setExpiration concode_elem_sep XMLGregorianCalendar getTimeFrom concode_elem_sep String getUserID concode_elem_sep void setUserID
target: XMLGregorianCalendar function ( ) { return expiration ; }