public getAttributes () Returns the default attributes for the element

public mixed getAttribute (string $attribute, [mixed $defaultValue]) Returns the value of an attribute

abstract public getDefault () ...

abstract public getFilters () ...

abstract public getLabel () ...

abstract public setAttributes (array $attributes) ...

abstract public setDefault (mixed $value) ...

public isValid ([array $data], [object $entity]) Validates the form

abstract public setLabel (mixed $label) ...

Source