ClosureAttribute3OptionalVoid
Generated.swift:1131@propertyWrapper final class ClosureAttribute3OptionalVoid<A0, A1, A2> where A0 : ConstructibleFromJSValue, A0 : ConvertibleToJSValue, A1 : ConstructibleFromJSValue, A1 : ConvertibleToJSValue, A2 : ConstructibleFromJSValue, A2 : ConvertibleToJSValue