@get: Internal
    abstract val milestone: Property<String>

    @get: Internal
    abstract val githubToken: Property<String>

    @Internal
    protected
    fun getContributorsInReleaseNotes(): Set<GitHubUser> {
        val (_, contributorLines, _) = parseReleaseNotes()
        return contributorLines
            .map { it.trim() }
            .filter { it.isNotEmpty() }