phorge-phorge/src/applications/people/capability/PeopleCapabilityBrowseUserDirectory.php

<?php

final class PeopleCapabilityBrowseUserDirectory
  extends PhabricatorPolicyCapability {

  const CAPABILITY = 'people.browse';

  public function getCapabilityKey() {
    return self::CAPABILITY;
  }

  public function getCapabilityName() {
    return pht('Can Browse User Directory');
  }

  public function shouldAllowPublicPolicySetting() {
    return true;
  }

  public function describeCapabilityRejection() {
    return pht(
      'You do not have permission to browse the user directory.');
  }

}