offsetUnset(string $name) Removes the child with the given name from the form (implements the \ArrayAccess
FormRendererEngineInterface
class Forms Entry point of the Form component. Use this class to conveniently create new
FormTypeGuesserInterface|null
FormConfigBuilderInterface
bool getByReference() Unsupported method.
mixed getAttribute(string $name, mixed $default = null) Returns the value of the given attribute
bool hasAttribute(string $name) Returns whether the attribute with the given name exists.
FormTypeExtensionInterface[]
OptionsResolver getOptionsResolver()
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