ENUM
Methods to use when ordering ExportDocument.
ExportDocument
enum ExportDocumentsOrderBy {NATURALEXPORT_ID_ASCEXPORT_ID_DESCDOCUMENT_ID_ASCDOCUMENT_ID_DESCREMOVED_AT_ASCREMOVED_AT_DESCREMOVED_BY_ASCREMOVED_BY_DESCPRIMARY_KEY_ASCPRIMARY_KEY_DESC}