6 files declare their use of MoAuthConstants in Google Authenticator / 2 Factor Authentication - 2FA 8

authenticate_user.php in src/Form/authenticate_user.php

This is used to authenticate user during login.

configure_qrcode_authentication.php in src/Form/configure_qrcode_authentication.php

miniorange_2fa_inline_registration.php in src/Form/miniorange_2fa_inline_registration.php

MoAuthCustomerSetup.php in src/Form/MoAuthCustomerSetup.php

Contains form for customer setup.

test_email_verification.php in src/Form/test_email_verification.php

Email verification functions.

test_qrcode_authentication.php in src/Form/test_qrcode_authentication.php

Email verification functions.