interface ChoiceLoaderInterface Loads a choice list. The methods {@link loadChoicesForValues()}

FormFactoryBuilderInterface

class ServerParams Methods

class ResizeFormListener implements

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

hasChildren() {@inheritdoc}

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

FormConfigBuilderInterface

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

mixed getAttribute(string $name, mixed $default = null) Returns the value of the given attribute