mixed getEmptyData() Unsupported method.
interface DataTransformerInterface Transforms a value between different representations.
FormConfigBuilderInterface
class AbstractTypeExtension implements
DataTransformerInterface[]
bool isRequired() Returns whether the form is required to be filled out. If the form has
class FormFactoryBuilder implements
FormFactoryBuilderInterface
FormTypeInterface getType(string $name)
ResolvedFormTypeInterface
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