public BuildFolderSet(
            IEnumerable <BuildFolder> buildFolders,
            IEnumerable <CompilerRunner> compilerRunners,
            BuildOptions options)
        {
            _buildFolders    = buildFolders;
            _compilerRunners = compilerRunners;
            _options         = options;

            _frameworkCompilationFailureBuckets = new Buckets();
            _compilationFailureBuckets          = new Buckets();
            _executionFailureBuckets            = new Buckets();
        }