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

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

associateFormWithView(FormInterface $form,

class ChoicesToBooleanArrayTransformer implements

array extractConfiguration(FormInterface $form)

class NumberToLocalizedStringTransformer implements

bool isProperty(int $index) Returns whether the element at the given index is a property.

PropertyPath getParent()

string getElement(int $index) Returns the element at the given index in the property path.

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