OptionalValidatedAlignmentProperty
open class OptionalValidatedAlignmentProperty(initialValue: Alignment?, bean: Any? = null, beanName: String? = null, validation: (ValidatedProperty<Alignment?>, Alignment?, Alignment?) -> Alignment?) : ValidatedProperty<Alignment?> , OptionalAlignmentProperty
Boilerplate which avoids having to use generics.
Similar to ValidatedAlignmentProperty, but the value can also be null.