How to sync Ubuntu repositories in Red Hat Satellite 6?

Issue

• There is an option to enable Debian in Satellite Installer.

  # satellite-installer --help | grep deb
  --foreman-proxy-content-enable-deb  Enable debian content plugin (current: false)
  --katello-enable-deb          Enable debian content plugin (current: false)
  
  # satellite-installer  --foreman-proxy-content-enable-deb 
  2022-02-02 16:16:49 [NOTICE] [root] Loading default values from puppet modules...
  2022-02-02 16:16:53 [NOTICE] [root] ... finished
  2022-02-02 16:16:55 [NOTICE] [root] Running validation checks
  Package versions are locked. Continuing with unlock.
  2022-02-02 16:17:05 [NOTICE] [configure] Starting system configuration.
  The total number of configuration tasks may increase during the run.
  Observe logs or specify --verbose-log-level to see individual configuration tasks.
  2022-02-02 16:17:24 [NOTICE] [configure] 100 out of 2464 done.
  2022-02-02 16:17:24 [NOTICE] [configure] 200 out of 2464 done.
  ---
  ---
  2022-02-02 16:19:05 [NOTICE] [configure] 3300 out of 3303 done.
  2022-02-02 16:19:08 [NOTICE] [configure] System configuration has finished.
  Success!
  * Satellite is running at https://satellite.example.com
  
  * To install an additional Capsule on separate machine continue by running:
  
    capsule-certs-generate --foreman-proxy-fqdn "$CAPSULE" --certs-tar "/root/$CAPSULE-certs.tar"
  * Capsule is running at https://satellite.example.com:9090
  

• How to enable Ubuntu repositories in Satellite 6?