VERIFIER.H

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

d:\th\minkernel\ntos\inc

and draws from it the following type definitions:

Line Number Type
104 struct _VI_VERIFIER_ISSUE
125 struct _VF_DRIVER_IO_CALLBACKS
137 struct _VF_SUSPECT_DRIVER_ENTRY
279 enum _VI_DEADLOCK_RESOURCE_TYPE
315 struct _VI_FAULT_TRACE
987 struct _IOV_FORCED_PENDING_TRACE
1264 struct _VF_TRACKER_STAMP
1277 struct _VF_TRACKER
1432 struct _VF_POOL_TRACE
1504 struct _IOV_IRP_TRACE
1561 struct _VI_TRACK_IRQL
1674 struct _VF_AVL_TREE_NODE
1683 struct _VF_AVL_TABLE
1729 struct _VF_AVL_TREE
1757 unnamed union for u1 in _VF_AVL_TREE
1825 struct _VF_TARGET_VERIFIED_DRIVER_DATA
1858 unnamed union for u1 in _VF_TARGET_VERIFIED_DRIVER_DATA
1860 unnamed struct for Flags in u1 in _VF_TARGET_VERIFIED_DRIVER_DATA
1935 struct _VF_TARGET_ALL_SHARED_EXPORT_THUNKS
1950 struct _VF_TARGET_DRIVER
1972 unnamed union for u1 in _VF_TARGET_DRIVER
1976 unnamed struct for Flags in u1 in _VF_TARGET_DRIVER
2063 struct _VF_KE_CRITICAL_REGION_TRACE
2081 struct _VF_WATCHDOG_IRP

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