VFBRANCH.H

The public symbol file NTKRPAMP.PDB for the original release of Windows 10 tells that the kernel is built with the VFBRANCH.H header at

d:\th\minkernel\ntos\verifier

and draws from it the following type definitions:

Line Number Type
98 struct _VF_BTS_RECORD
112 struct _VF_BTS_DATA_MANAGEMENT_AREA

The header VFBRANCH.H is not known in any Device Driver Kit (DDK) or Windows Driver Kit (WDK).