<xsd:element abstract="true" name="DateTimeSpanWindowsSubGrp" type="ota2-0400:DateTimeSpanWindows"> <xsd:annotation> <xsd:appinfo> <otm:OTA2Entity type="CoreObject" xmlns:otm="http://www.OpenTravel.org/ns/OTA2/AppInfo_v01_00">DateTimeSpanWindows</otm:OTA2Entity> </xsd:appinfo> </xsd:annotation> </xsd:element>