This file is indexed.

/etc/swapspace.conf is in swapspace 1.10-4ubuntu4.

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

The actual contents of the file can be viewed below.

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# This file is part of Swapspace.
# 
# Swapspace is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# Swapspace is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with swapspace; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA


# Swap path: location where swapspace may create and delete swapfiles.  For
# security reasons this directory must be accessible to root and to root only.
#swappath="/var/lib/swapspace"

# Lower free-space threshold: if the percentage of free space drops below this
# number, additional swapspace is allocated
#lower_freelimit=20

# Upper free-space threshold: if the percentage of free space exceeds this
# number, swapspace will attempt to free up swapspace
#upper_freelimit=60

# Percentage of free space swapspace should aim for when adding swapspace.  This
# should fall somewhere between lower_freelimit and upper_freelimit.
#freetarget=30

# Smallest allowed size for individual swapfiles
#min_swapsize=4m

# Greatest allowed size for individual swapfiles
#max_swapsize=2t

# Duration (roughly in seconds) of the moratorium on swap allocation that is
# instated if disk space runs out, or the cooldown time after a new swapfile is
# successfully allocated before swapspace will consider deallocating swap space
# again.  The default cooldown period is about 10 minutes.
#cooldown=600