This file is indexed.

/usr/share/dbconfig-common/dpkg/frontend.prerm.mysql is in dbconfig-common 2.0.4ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

1
2
dbc_frontend="true"
. /usr/share/dbconfig-common/dpkg/prerm.mysql