SV_MAXFREEMFCBS_INFOLEVEL

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.
nothrow extern (Windows) const
auto SV_MAXFREEMFCBS_INFOLEVEL = (PARMNUM_BASE_INFOLEVEL + SV_MAXFREEMFCBS_PARMNUM);

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