private val projectPathToExecutedTaskPaths: ConcurrentMultiMap<String, String> = ConcurrentMultiMap()
    private val projectPathToFailedTaskPaths: ConcurrentMultiMap<String, String> = ConcurrentMultiMap()

    fun addProjectState(projectPath: String, projectBuildDir: Provider<File>, reportOnly: Provider<Boolean>) {
        require(projectPath !in projectStates.keys) { "Project state already added for $projectPath" }