preSubmit(FormEvent $event)
FormConfigBuilderInterface
string getDataClass() Returns the class of the form data or null if the data is scalar or an
bool hasType(string $name) Returns whether the given type is supported.
configureOptions(OptionsResolver
class ResolvedTypeFactoryDataCollectorProxy implements
ResolvedFormTypeInterface|null
ResolvedFormTypeInterface
FormTypeExtensionInterface[]
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