[	uuid(af4ae0d0-a37f-11cf-8d73-00aa004cd01a),
	object,
	pointer_default(unique)
]
interface IPropertyStorageServer : IUnknown
{
    import "objidl.idl";

    HRESULT StgOpenPropStg( [in, string] const OLECHAR *pwcsName,
			    [in]  REFFMTID fmtid,
                            [in] DWORD grfMode,
                            [out] IPropertyStorage **pppstg );

    HRESULT StgOpenPropSetStg( [in, string] const OLECHAR *pwcsName,
			       [in] DWORD grfMode,
			       [out] IPropertySetStorage **pppsstg );

    HRESULT MarshalUnknown( [in] IUnknown *punk );
}