.flatMap { projectDir -> subDirsOf(projectDir.resolve("src/main")) }
            .forEach { outputs.dir(it) }
    }

    private
    fun unzippedProjectDirectories(): Collection<File> =
        unzippedDistroDir()?.let { distroDir ->
            unzippedSubprojectsDirectories(distroDir) + unzippedPlatformProjectsDirectories(distroDir)
        } ?: emptyList()

    private