/usr/ is in libmbim-glib-dev 1.6.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/libmbim-glib/mbim-cid.h
/usr/include/libmbim-glib/mbim-auth.h
/usr/include/libmbim-glib/mbim-device.h
/usr/include/libmbim-glib/mbim-utils.h
/usr/include/libmbim-glib/mbim-stk.h
/usr/include/libmbim-glib/mbim-version.h
/usr/include/libmbim-glib/mbim-ussd.h
/usr/include/libmbim-glib/mbim-basic-connect.h
/usr/include/libmbim-glib/mbim-phonebook.h
/usr/include/libmbim-glib/mbim-message.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/libmbim-glib.a
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/mbim-glib.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libmbim-glib-dev/
/usr/share/doc/libmbim-glib-dev/copyright
/usr/include/
/usr/include/libmbim-glib/
/usr/include/libmbim-glib/mbim-enums.h
/usr/include/libmbim-glib/mbim-errors.h
/usr/include/libmbim-glib/mbim-uuid.h
/usr/include/libmbim-glib/mbim-dss.h
/usr/include/libmbim-glib/mbim-enum-types.h
/usr/include/libmbim-glib/mbim-sms.h
/usr/include/libmbim-glib/mbim-error-types.h
/usr/include/libmbim-glib/libmbim-glib.h
/usr/lib/x86_64-linux-gnu/libmbim-glib.so
/usr/share/doc/libmbim-glib-dev/changelog.Debian.gz