/usr/lib/oem-config/oem-config.target is in oem-config 18.04.14.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Description=OEM Configuration
Requires=basic.target
Conflicts=rescue.service rescue.target multi-user.target
After=basic.target rescue.service rescue.target
AllowIsolate=yes
Wants=oem-config.service network-manager.service getty-static.service systemd-user-sessions.service
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