FormTypeExtensionInterface[]
ValueGuess guessRequired(string $class, string
FormTypeInterface getInnerType()
Button|null getClickedButton()
FormConfigBuilderInterface
string serialize() Serializes this error.
class Button implements IteratorAggregate,
bool getMapped() Returns whether the form should be mapped to an element of its parent's data
buildView(FormView $view,
bool isDisabled() Returns whether this form is disabled. The content of a disabled form
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