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| virtual TCollection_AsciiString  | Version () const =0 | 
|   | returns PCDM_ReadWriter_1.  
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| virtual void  | WriteReferenceCounter (const Handle< Storage_Data > &aData, const Handle< CDM_Document > &aDocument) const =0 | 
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| virtual void  | WriteReferences (const Handle< Storage_Data > &aData, const Handle< CDM_Document > &aDocument, const TCollection_ExtendedString &theReferencerFileName) const =0 | 
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| virtual void  | WriteExtensions (const Handle< Storage_Data > &aData, const Handle< CDM_Document > &aDocument) const =0 | 
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| virtual void  | WriteVersion (const Handle< Storage_Data > &aData, const Handle< CDM_Document > &aDocument) const =0 | 
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| virtual Standard_Integer  | ReadReferenceCounter (const TCollection_ExtendedString &theFileName, const Handle< Message_Messenger > &theMsgDriver) const =0 | 
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| virtual void  | ReadReferences (const TCollection_ExtendedString &aFileName, PCDM_SequenceOfReference &theReferences, const Handle< Message_Messenger > &theMsgDriver) const =0 | 
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| virtual void  | ReadExtensions (const TCollection_ExtendedString &aFileName, TColStd_SequenceOfExtendedString &theExtensions, const Handle< Message_Messenger > &theMsgDriver) const =0 | 
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| virtual Standard_Integer  | ReadDocumentVersion (const TCollection_ExtendedString &aFileName, const Handle< Message_Messenger > &theMsgDriver) const =0 | 
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  Public Member Functions inherited from Standard_Transient | 
|   | Standard_Transient () | 
|   | Empty constructor.  
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|   | 
|   | Standard_Transient (const Standard_Transient &) | 
|   | Copy constructor – does nothing.  
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| Standard_Transient &  | operator= (const Standard_Transient &) | 
|   | Assignment operator, needed to avoid copying reference counter.  
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| virtual  | ~Standard_Transient () | 
|   | Destructor must be virtual.  
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| virtual const opencascade::handle< Standard_Type > &  | DynamicType () const | 
|   | Returns a type descriptor about this object.  
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|   | 
| Standard_Boolean  | IsInstance (const opencascade::handle< Standard_Type > &theType) const | 
|   | Returns a true value if this is an instance of Type.  
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| Standard_Boolean  | IsInstance (const Standard_CString theTypeName) const | 
|   | Returns a true value if this is an instance of TypeName.  
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| Standard_Boolean  | IsKind (const opencascade::handle< Standard_Type > &theType) const | 
|   | Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism.  
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| Standard_Boolean  | IsKind (const Standard_CString theTypeName) const | 
|   | Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism.  
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| Standard_Transient *  | This () const | 
|   | Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero.  
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| Standard_Integer  | GetRefCount () const noexcept | 
|   | Get the reference counter of this object.  
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| void  | IncrementRefCounter () noexcept | 
|   | Increments the reference counter of this object.  
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| Standard_Integer  | DecrementRefCounter () noexcept | 
|   | Decrements the reference counter of this object; returns the decremented value.  
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| virtual void  | Delete () const | 
|   | Memory deallocator for transient classes.  
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