# StepData_UndefinedEntity.hxx File Reference

`#include <Standard.hxx>`
`#include <Handle_StepData_UndefinedEntity.hxx>`
`#include <Handle_TCollection_HAsciiString.hxx>`
`#include <Handle_Interface_UndefinedContent.hxx>`
`#include <Standard_Boolean.hxx>`
`#include <MMgt_TShared.hxx>`
`#include <Standard_CString.hxx>`
`#include <Handle_StepData_StepReaderData.hxx>`
`#include <Standard_Integer.hxx>`
`#include <Handle_Interface_Check.hxx>`