13 methods override ConfigFormBase::validateForm()

BookSettingsForm::validateForm in core/modules/book/src/Form/BookSettingsForm.php
Form validation handler.
FormTestArgumentsObject::validateForm in core/modules/system/tests/modules/form_test/src/FormTestArgumentsObject.php
Form validation handler.
FormTestControllerObject::validateForm in core/modules/system/tests/modules/form_test/src/FormTestControllerObject.php
Form validation handler.
FormTestObject::validateForm in core/modules/system/tests/modules/form_test/src/FormTestObject.php
Form validation handler.
FormTestServiceObject::validateForm in core/modules/system/tests/modules/form_test/src/FormTestServiceObject.php
Form validation handler.
ImageToolkitForm::validateForm in core/modules/system/src/Form/ImageToolkitForm.php
Form validation handler.
LocaleSettingsForm::validateForm in core/modules/locale/src/Form/LocaleSettingsForm.php
Form validation handler.
NegotiationBrowserForm::validateForm in core/modules/language/src/Form/NegotiationBrowserForm.php
Form validation handler.
NegotiationUrlForm::validateForm in core/modules/language/src/Form/NegotiationUrlForm.php
Form validation handler.
SettingsForm::validateForm in core/modules/navigation/src/Form/SettingsForm.php
Form validation handler.
SiteConfigureForm::validateForm in core/lib/Drupal/Core/Installer/Form/SiteConfigureForm.php
Form validation handler.
SiteInformationForm::validateForm in core/modules/system/src/Form/SiteInformationForm.php
Form validation handler.
ThemeSettingsForm::validateForm in core/modules/system/src/Form/ThemeSettingsForm.php
Form validation handler.

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