question: gets the value of the validuntil property . concode_field_sep ExtensionsType extensions concode_elem_sep Element signature concode_elem_sep Duration cacheDuration concode_elem_sep String name concode_elem_sep XMLGregorianCalendar validUntil concode_elem_sep String id concode_elem_sep List<Object> entityDescriptor concode_field_sep Duration getCacheDuration concode_elem_sep void setName concode_elem_sep void setCacheDuration concode_elem_sep void removeEntityDescriptor concode_elem_sep String getName concode_elem_sep void setValidUntil concode_elem_sep void setSignature concode_elem_sep Element getSignature concode_elem_sep String getID concode_elem_sep ExtensionsType getExtensions concode_elem_sep void setID concode_elem_sep void addEntityDescriptor concode_elem_sep void setExtensions concode_elem_sep List<Object> getEntityDescriptor
target: XMLGregorianCalendar function ( ) { return validUntil ; }