SetupDiClassGuidsFromNameExW

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.
@system extern (Windows)
BOOL
SetupDiClassGuidsFromNameExW
(
PCWSTR
,
LPGUID
,
DWORD
,
PDWORD
,
PCWSTR
,
PVOID
)

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