`Dsl_In_!!_Element`
given `Dsl_In_!!_Element`[Element, Output[DomainElement], OuterDomain, DomainElement](using val conversion: Output[DomainElement] => IterableOnce[DomainElement], val factory: Factory[DomainElement, Output[DomainElement]]): Dsl[In[Element], OuterDomain !! Output[DomainElement], Element]