Reformat

pkg/analysis_server/lib/src/collections.dart

Index: pkg/analysis_server/lib/src/collections.dart
diff --git a/pkg/analysis_server/lib/src/collections.dart b/pkg/analysis_server/lib/src/collections.dart
index bb3861fc025f89b02aef579c27c433ef521ae9d3..8ab3da82284b89201485a2db7bd03c04f5a4ea17 100644
--- a/pkg/analysis_server/lib/src/collections.dart
+++ b/pkg/analysis_server/lib/src/collections.dart
@@ -11,13 +11,11 @@ library collections;
  */
 Iterable concat(Iterable<Iterable> iterables) => iterables.expand((x) => x);
 
-
 /**
  * Returns the concatentation of the input iterables as a [List].
  */
 List concatToList(Iterable<Iterable> iterables) => concat(iterables).toList();
 
-
 /**
  * Returns the given [list] if it is not empty, or `null` otherwise.
  */