Regenerate pub sources.

sdk/lib/_internal/pub_generated/lib/src/barback/excluding_aggregate_transformer.dart

Index: sdk/lib/_internal/pub_generated/lib/src/barback/excluding_aggregate_transformer.dart
diff --git a/sdk/lib/_internal/pub_generated/lib/src/barback/excluding_aggregate_transformer.dart b/sdk/lib/_internal/pub_generated/lib/src/barback/excluding_aggregate_transformer.dart
index bbb304f17a82d7f018a98034f68699f786aacfeb..a45f824bf89de0331282c03ef0c4020b701ca522 100644
--- a/sdk/lib/_internal/pub_generated/lib/src/barback/excluding_aggregate_transformer.dart
+++ b/sdk/lib/_internal/pub_generated/lib/src/barback/excluding_aggregate_transformer.dart
@@ -1,11 +1,26 @@
+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 library pub.excluding_aggregate_transformer;
+
 import 'dart:async';
+
 import 'package:barback/barback.dart';
+
 import 'transformer_config.dart';
+
+/// Decorates an inner [AggregateTransformer] and handles including and
+/// excluding primary inputs.
 class ExcludingAggregateTransformer extends AggregateTransformer {
+  /// If [config] defines includes or excludes, wraps [inner] in an
+  /// [ExcludingAggregateTransformer] that handles those.
+  ///
+  /// Otherwise, just returns [inner] unmodified.
   static AggregateTransformer wrap(AggregateTransformer inner,
       TransformerConfig config) {
     if (!config.hasExclusions) return inner;
+
     if (inner is LazyAggregateTransformer) {
       return new _LazyExcludingAggregateTransformer(
           inner as LazyAggregateTransformer,
@@ -18,24 +33,34 @@ class ExcludingAggregateTransformer extends AggregateTransformer {
       return new ExcludingAggregateTransformer._(inner, config);
     }
   }
+
   final AggregateTransformer _inner;
+
+  /// The config containing rules for which assets to include or exclude.
   final TransformerConfig _config;
+
   ExcludingAggregateTransformer._(this._inner, this._config);
+
   classifyPrimary(AssetId id) {
     if (!_config.canTransform(id.path)) return null;
     return _inner.classifyPrimary(id);
   }
+
   Future apply(AggregateTransform transform) => _inner.apply(transform);
+
   String toString() => _inner.toString();
 }
+
 class _DeclaringExcludingAggregateTransformer extends
     ExcludingAggregateTransformer implements DeclaringAggregateTransformer {
   _DeclaringExcludingAggregateTransformer(DeclaringAggregateTransformer inner,
       TransformerConfig config)
       : super._(inner as AggregateTransformer, config);
+
   Future declareOutputs(DeclaringAggregateTransform transform) =>
       (_inner as DeclaringAggregateTransformer).declareOutputs(transform);
 }
+
 class _LazyExcludingAggregateTransformer extends
     _DeclaringExcludingAggregateTransformer implements LazyAggregateTransformer {
   _LazyExcludingAggregateTransformer(DeclaringAggregateTransformer inner,