6 calls to FormBase::config() in Drupal 9

CommentForm::form in core/modules/comment/src/CommentForm.php

Gets the actual form array to be built.

ConfigSingleImportForm::validateForm in core/modules/config/src/Form/ConfigSingleImportForm.php

Form validation handler.

Overview::buildForm in core/modules/forum/src/Form/Overview.php

Form constructor.

UserLoginForm::buildForm in core/modules/user/src/Form/UserLoginForm.php

Form constructor.

UserLoginForm::validateAuthentication in core/modules/user/src/Form/UserLoginForm.php

Checks supplied username/password against local users table.

UserLoginForm::validateFinal in core/modules/user/src/Form/UserLoginForm.php

Checks if user was not authenticated, or if too many logins were attempted.