For information on converting to InterSystems IRIS, see the
InterSystems IRIS Adoption Guide
and the InterSystems IRIS In-Place Conversion Guide,
both available on the WRC Distributions page (login required).
Datatype for %Studio.Project property LastModified which is needed in order
to be backward compatible with older XML exports of %Studio.Project before we switched to
using the built in XML support for the import/export of these objects.