Objects
ContentModel
SimpleContent
xsBoolean
xsDate
xsDouble
xsFloat
xsInt
xsLong
xsShort
xsString
xsdAny

Traits
DerivSym
XsTypeSymbol

Classes
ComplexTypeDecl
ComplexTypeSymbol
ContentModel
Decl
ELEMENTS
ElemDecl
Extends
MIXED
Restricts
SimpleTypeDecl
SimpleTypeSymbol
TypeDecl
xsdBuiltin