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

FormConfigBuilderInterface

bool valid() Returns whether the iterator's position is valid.

FormConfigBuilderInterface

seek(int $position) Sets the position of the iterator.

bool hasOption(string $name) Returns whether a specific option exists.

bool getAutoInitialize() Unsupported method.

mixed getCause() Returns the cause of this error.

class LanguageType extends AbstractType

offsetSet($position, $value) Unsupported method.