Repro (the same I had sent on Discord)
The file tiledb\api\c_api\vfs\vfs_api_external.h has an #include "..\context\context_api_external.h" in it. All header files in the tiledb directory are passed to the tool via --traverse, but the tool sees the path tiledb\api\c_api\vfs\..\context\context_api_external.h, does not resolve the relative path and does not find it in the list, and skips context_api_external.h.