UFile (package = ) [public final class TestPropertyInitializer {...]
    UClass (name = TestPropertyInitializer) [public final class TestPropertyInitializer {...}]
        UMethod (name = TestPropertyInitializer) [public fun TestPropertyInitializer() = UastEmptyExpression]
        UMethod (name = getWithSetter) [public final fun getWithSetter() : java.lang.String {...}]
            UBlockExpression [{...}] = Nothing
                UReturnExpression [return field] = Nothing
                    USimpleNameReferenceExpression (identifier = field) [field] = external field()
        UMethod (name = setWithSetter) [public final fun setWithSetter(p: java.lang.String) : void {...}]
            UParameter (name = p) [var p: java.lang.String]
            UBlockExpression [{...}] = Undetermined
                [!] UnknownKotlinExpression (BINARY_EXPRESSION) [[!] UnknownKotlinExpression (BINARY_EXPRESSION)] = Undetermined
