ValueGuess|null guessMaxLength(string $class
configureOptions(OptionsResolver
string[] getValuesForChoices(array $choices) Returns the values corresponding to the given choices
FormConfigBuilderInterface
class CheckboxListMapper implements
FormFactoryBuilderInterface
EventDispatcherInterface
DataTransformerInterface[]
buildFinalFormTree(FormInterface $form,
string getBlockPrefix() Returns the prefix of the template block name for this type. The
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