<export_command>
::=
EXPORT <part_spec>
[<configuration_instream_spec>]
[<order_clause>]
(<catalog_outstream_spec>
<data_outstream_spec>
|<catalog_outstream_spec>
|<data_outstream_spec> [<longfile_spec>...])
[<package_outstream_spec>]
[<restart>]