finishView(FormView $view,

array extractDefaultData(FormInterface $form)

FormView createView(

collectSubmittedData(FormInterface $form)

class DataCollectorTypeExtension extends

string getBlockPrefix() Returns the prefix of the template block name for this type.

class DataCollectorExtension extends

interface FormDataCollectorInterface implements

array extractViewVariables(FormView $view)

buildFinalFormTree(FormInterface $form,