UFile (package = )
    UClass (name = ConstructorDelegateKt)
        UMethod (name = createBase)
            UParameter (name = i)
            UBlockExpression
                UReturnExpression
                    [!] UnknownKotlinExpression (CALL_EXPRESSION)
    UClass (name = Base)
        UMethod (name = print)
    UClass (name = BaseImpl)
        UField (name = x)
        UMethod (name = BaseImpl)
            UParameter (name = x)
        UMethod (name = getX)
        UMethod (name = print)
            UBlockExpression
                [!] UnknownKotlinExpression (CALL_EXPRESSION)
    UClass (name = Derived)
        UExpressionList (super_delegation)
            UTypeReferenceExpression (name = Base)
            [!] UnknownKotlinExpression (CALL_EXPRESSION)
        UExpressionList (super_delegation)
            UTypeReferenceExpression (name = java.lang.CharSequence)
            ULiteralExpression (value = "abc")
        UMethod (name = Derived)
            UParameter (name = b)
