https://learn.microsoft.com/en-us/windows/win32/api/vsbackup/nf-vsbackup-ivssexaminewritermetadata-getfilecounts?redirectedfrom=MSDN
IVssExamineWriterMetadata::GetFileCounts (vsbackup.h) - Win32 apps | Microsoft Learn
The GetFileCounts method obtains excluded files and the number of components that a writer manages.
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