6 files declare their use of EntityConfirmFormBase in Drupal 9
- BreakLockForm.php in core/
modules/ views_ui/ src/ Form/ BreakLockForm.php - FilterDisableForm.php in core/
modules/ filter/ src/ Form/ FilterDisableForm.php - ImageStyleFlushForm.php in core/
modules/ image/ src/ Form/ ImageStyleFlushForm.php - VocabularyResetForm.php in core/
modules/ taxonomy/ src/ Form/ VocabularyResetForm.php - WorkflowDeleteForm.php in core/
modules/ workflows/ src/ Form/ WorkflowDeleteForm.php - WorkspaceActivateForm.php in core/
modules/ workspaces/ src/ Form/ WorkspaceActivateForm.php