https://learn.microsoft.com/en-us/windows/win32/api/vsbackup/nl-vsbackup-ivssexaminewritermetadata?redirectedfrom=MSDN
IVssExamineWriterMetadata (vsbackup.h) - Win32 apps | Microsoft Learn
The IVssExamineWriterMetadata interface is a C++ (not COM) interface that allows a requester to examine the metadata of a specific writer instance.
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