| Index: sdk/lib/convert/converter.dart
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| diff --git a/sdk/lib/convert/converter.dart b/sdk/lib/convert/converter.dart
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| index dfcfcdf6f38827c22d2a66a0782a82174fe6182a..75d4cf0403af5d1de95276bcad9fd6db91532e74 100644
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| --- a/sdk/lib/convert/converter.dart
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| +++ b/sdk/lib/convert/converter.dart
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| @@ -52,7 +52,8 @@ abstract class Converter<S, T> implements StreamTransformer/*<S, T>*/ {
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|   *
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|   * For a non-chunked conversion converts the input in sequence.
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|   */
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| -class _FusedConverter<S, M, T> extends Converter<S, T> {
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| +class _FusedConverter<S, M, T> extends Converter<S, T>
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| +    implements ChunkedConverter<S, T, S, T> {
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|    final Converter<S, M> _first;
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|    final Converter<M, T> _second;
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|  
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| 
 |