8 files declare their use of ExternalAuthenticationHelper in Lightweight Directory Access Protocol (LDAP) 8.3

DrupalUserProcessor.php in ldap_user/src/Processor/DrupalUserProcessor.php

ExternalAuthenticationHelperTests.php in ldap_user/tests/src/Unit/ExternalAuthenticationHelperTests.php

GroupUserUpdateProcessor.php in ldap_user/src/Processor/GroupUserUpdateProcessor.php

LDAPAuthorizationProvider.php in ldap_authorization/src/Plugin/authorization/Provider/LDAPAuthorizationProvider.php

LdapUserTestForm.php in ldap_user/src/Form/LdapUserTestForm.php

ldap_authentication.module in ldap_authentication/ldap_authentication.module

This module injects itself into Drupal's Authentication stack.

LoginValidator.php in ldap_authentication/src/Controller/LoginValidator.php

ServerFactory.php in ldap_servers/src/ServerFactory.php