/usr/share/vala/vapi/fsobasics-2.0.deps is in libfsoframework-dev 0.12.0-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5
posix linux glib-2.0 gio-2.0 libnl-3.0