}
        }
        return versionsToIncubating
    }

    private
    fun CompilationUnit.findAllIncubating() =
        findAll(Node::class.java).filter { it.isIncubating }

    private
    val Node.isIncubating: Boolean
        get() = (this as? NodeWithAnnotations<*>)?.annotations?.any { it.nameAsString == "Incubating" } ?: false

    private