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

    @Internal
    protected
    fun getContributorsInReleaseNotes(): Set<GitHubUser> {
        val (_, contributorLines, _) = parseReleaseNotes()
        return contributorLines
            .map { it.trim() }
            .filter { it.isNotEmpty() }
            .onEach { check(contributorLineRegex.containsMatchIn(it)) { "Invalid contributor line: $it" } }

            val sortedContributors = contributorsToUpdate.entries.sortedBy { (it.value.name ?: it.key).lowercase() }
            val (linesBeforeContributors, _, linesAfterContributors) = parseReleaseNotes()
            releaseNotes.asFile.get().writeText(