UFile (package = )
    UClass (name = LocalDeclarationsKt)
        UMethod (name = foo)
            UBlockExpression
                [!] UnknownKotlinExpression (CLASS)
                [!] UnknownKotlinExpression (FUN)
                [!] UnknownKotlinExpression (PROPERTY)
                [!] UnknownKotlinExpression (FUN)
                UReturnExpression
                    [!] UnknownKotlinExpression (BINARY_EXPRESSION)
