array getRemainingViews() Returns the choice views of the choices that are not preferred as nested

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

static bool isValidName(string $name) Returns whether the given variable contains

FormConfigBuilderInterface

offsetSet(mixed $offset, mixed $value) Unsupported method. This method should not be invoked

bool getRequired() Unsupported method.

bool has(string $name) Unsupported method.

string getDataClass() Returns the class of the form data or null if the data is scalar or an

FormConfigBuilderInterface

FormBuilderInterface remove(string $name)