This file is indexed.

/lib/systemd/system/alsa-state.service is in alsa-utils 1.1.3-1ubuntu1.

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

The actual contents of the file can be viewed below.

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#
# Note that two different ALSA card state management schemes exist and they
# can be switched using a file exist check - /etc/alsa/state-daemon.conf .
#

[Unit]
Description=Manage Sound Card State (restore and store)
Documentation=man:alsactl(1)
ConditionPathExists=/etc/alsa/state-daemon.conf
After=sysinit.target

[Service]
Type=simple
ExecStartPre=/bin/mkdir -p /run/alsa
ExecStart=-/usr/sbin/alsactl -E HOME=/run/alsa -s -n 19 -c rdaemon
ExecStop=-/usr/sbin/alsactl -E HOME=/run/alsa -s kill save_and_quit