37 files declare their use of ConfigFormBase
- AccountSettingsForm.php in core/
modules/ user/ src/ AccountSettingsForm.php  - AdvancedSettingsForm.php in core/
modules/ views_ui/ src/ Form/ AdvancedSettingsForm.php  - BasicSettingsForm.php in core/
modules/ views_ui/ src/ Form/ BasicSettingsForm.php  - BookSettingsForm.php in core/
modules/ book/ src/ Form/ BookSettingsForm.php  - ConfigTargetTest.php in core/
tests/ Drupal/ Tests/ Core/ Form/ ConfigTargetTest.php  - FileSystemForm.php in core/
modules/ system/ src/ Form/ FileSystemForm.php  - FormTestArgumentsObject.php in core/
modules/ system/ tests/ modules/ form_test/ src/ FormTestArgumentsObject.php  - FormTestControllerObject.php in core/
modules/ system/ tests/ modules/ form_test/ src/ FormTestControllerObject.php  - FormTestObject.php in core/
modules/ system/ tests/ modules/ form_test/ src/ FormTestObject.php  - FormTestServiceObject.php in core/
modules/ system/ tests/ modules/ form_test/ src/ FormTestServiceObject.php  - ForumSettingsForm.php in core/
modules/ forum/ src/ ForumSettingsForm.php  - ImageToolkitForm.php in core/
modules/ system/ src/ Form/ ImageToolkitForm.php  - IncorrectConfigTargetForm.php in core/
modules/ system/ tests/ modules/ form_test/ src/ Form/ IncorrectConfigTargetForm.php  - JsonApiSettingsForm.php in core/
modules/ jsonapi/ src/ Form/ JsonApiSettingsForm.php  - LocaleSettingsForm.php in core/
modules/ locale/ src/ Form/ LocaleSettingsForm.php  - LoggingForm.php in core/
modules/ system/ src/ Form/ LoggingForm.php  - MediaSettingsForm.php in core/
modules/ media/ src/ Form/ MediaSettingsForm.php  - MenuLinksetSettingsForm.php in core/
modules/ system/ src/ Form/ MenuLinksetSettingsForm.php  - NegotiationBrowserForm.php in core/
modules/ language/ src/ Form/ NegotiationBrowserForm.php  - NegotiationConfigureForm.php in core/
modules/ language/ src/ Form/ NegotiationConfigureForm.php  - NegotiationSelectedForm.php in core/
modules/ language/ src/ Form/ NegotiationSelectedForm.php  - NegotiationSessionForm.php in core/
modules/ language/ src/ Form/ NegotiationSessionForm.php  - NegotiationUrlForm.php in core/
modules/ language/ src/ Form/ NegotiationUrlForm.php  - PerformanceForm.php in core/
modules/ system/ src/ Form/ PerformanceForm.php  - RegionalForm.php in core/
modules/ system/ src/ Form/ RegionalForm.php  - RssFeedsForm.php in core/
modules/ system/ src/ Form/ RssFeedsForm.php  - SettingsForm.php in core/
modules/ navigation/ src/ Form/ SettingsForm.php  - SettingsForm.php in core/
modules/ media_library/ src/ Form/ SettingsForm.php  - SiteConfigureForm.php in core/
lib/ Drupal/ Core/ Installer/ Form/ SiteConfigureForm.php  - SiteInformationForm.php in core/
modules/ system/ src/ Form/ SiteInformationForm.php  - SiteMaintenanceModeForm.php in core/
modules/ system/ src/ Form/ SiteMaintenanceModeForm.php  - StatisticsSettingsForm.php in core/
modules/ statistics/ src/ StatisticsSettingsForm.php  - SystemConfigFormTestForm.php in core/
modules/ system/ tests/ modules/ form_test/ src/ SystemConfigFormTestForm.php  - ThemeAdminForm.php in core/
modules/ system/ src/ Form/ ThemeAdminForm.php  - ThemeSettingsForm.php in core/
modules/ system/ src/ Form/ ThemeSettingsForm.php  - TreeConfigTargetForm.php in core/
modules/ system/ tests/ modules/ form_test/ src/ Form/ TreeConfigTargetForm.php  - UpdateSettingsForm.php in core/
modules/ update/ src/ UpdateSettingsForm.php  
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