val List<String>.firstBaseVersion: String
        get() = VersionNumber.parse(first()).minorBaseVersion

    private
    val List<String>.lastBaseVersion: String
        get() = map { VersionNumber.parse(it) }
            .last { it.qualifier == null || it.qualifier?.startsWith("rc") == true }
            .minorBaseVersion

    private
    val VersionNumber.minorBaseVersion: String
        get() = "$major.$minor"