6 files declare their use of PasswordConstraintBase in Password Policy 8.3

CharacterTypes.php in password_policy_character_types/src/Plugin/PasswordConstraint/CharacterTypes.php

ConsecutiveCharacters.php in password_policy_consecutive/src/Plugin/PasswordConstraint/ConsecutiveCharacters.php

PasswordCharacter.php in password_policy_characters/src/Plugin/PasswordConstraint/PasswordCharacter.php

PasswordHistory.php in password_policy_history/src/Plugin/PasswordConstraint/PasswordHistory.php

PasswordLength.php in password_policy_length/src/Plugin/PasswordConstraint/PasswordLength.php

PasswordUsername.php in password_policy_username/src/Plugin/PasswordConstraint/PasswordUsername.php