FormFactoryBuilderInterface

FormErrorIterator getErrors(bool $deep = false

FormConfigBuilderInterface

FormConfigBuilderInterface

count() {@inheritdoc}

class Form implements IteratorAggregate,

hasChildren() {@inheritdoc}

string|null getParent() Returns the name of the parent type.

array getChoicesForValues(array $values) Returns the choices corresponding to the given values

class TrimListener implements