9 files declare their use of FlexiformEntityFormDisplay in Flexiform 8

ContainerFactoryFormComponentInterface.php in src/FormComponent/ContainerFactoryFormComponentInterface.php

CustomTextComponent.php in src/Plugin/FormComponentType/CustomTextComponent.php

EntityFormBlockDeriver.php in src/Plugin/Deriver/EntityFormBlockDeriver.php

FieldWidgetComponent.php in src/Plugin/FormComponentType/FieldWidgetComponent.php

flexiform.module in ./flexiform.module

Allow multiple entities to be used in an entity form display.

FormComponentBase.php in src/FormComponent/FormComponentBase.php

FormComponentTypeBase.php in src/FormComponent/FormComponentTypeBase.php

FormComponentTypeInterface.php in src/FormComponent/FormComponentTypeInterface.php

FormElementComponent.php in src/Plugin/FormComponentType/FormElementComponent.php