addListenerService(string $eventName, array $callback, int $priority) Adds a service as event listener

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

Response handle(

FormConfigBuilderInterface

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

FormConfigBuilderInterface

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

int count() Counts all the results collected by the iterators.

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

bool getAutoInitialize() Unsupported method.