impl xs impl xs XSObjectListImpl xs xsgroupdecl xsmodelgroupdefinition ftargetnamespace xsmodelgroupimpl fmodelgroup xsobjectlist fannotations gettype xsconstants.model_group_definition getnamespace ftargetnamespace xsmodelgroup getmodelgroup fmodelgroup xsannotation fannotations xsannotation fannotations.item xsobjectlist getannotations fannotations fannotations xsobjectlistimpl.empty_list xsnamespaceitem getnamespaceitem