protected function outputCompleteSetupInstructions() {
    $instructions = [
      'To complete the setup you must manually modify several files:',
      '',
      "* {$this->repoRoot}/simplesamlphp/config/acquia_config.php",
      "* {$this->repoRoot}/simplesamlphp/config/authsources.php",
      "* {$this->repoRoot}/simplesamlphp/metadata/saml20-idp-remote.php",
      '',
      'After editing these files execute the following command to copy the modified files to the correct location in the SimpleSAMLphp library:',
      '',
      "'blt source:build:simplesamlphp-config'",
      '',
      "See http://blt.readthedocs.io/en/latest/readme/simplesamlphp-setup/ for details on how to modify the files.",
    ];
    $formattedBlock = $this->formatter->formatBlock($instructions, 'comment', TRUE);
    $this->writeln($formattedBlock);
  }