| Index: sdk/lib/isolate/isolate_stream.dart
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| diff --git a/sdk/lib/isolate/isolate_stream.dart b/sdk/lib/isolate/isolate_stream.dart
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| index e060bcb4770453bd4f49fe48f44ba375c664d932..37db4e535d346b6e12bcae9c9c13615be3caed6d 100644
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| --- a/sdk/lib/isolate/isolate_stream.dart
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| +++ b/sdk/lib/isolate/isolate_stream.dart
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| @@ -94,8 +94,7 @@ class IsolateStream extends Stream<dynamic> {
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|   *
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|   * [IsolateSink]s can be transmitted to other isolates.
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|   */
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| -abstract class IsolateSink extends StreamSink<dynamic> {
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| -  // TODO(8997): Implement EventSink instead.
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| +abstract class IsolateSink extends EventSink<dynamic> {
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|    // TODO(floitsch): Actually it should be a StreamSink (being able to flow-
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|    // control).
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|  
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| 
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