| Index: pkg/front_end/lib/src/fasta/parser/listener.dart
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| diff --git a/pkg/front_end/lib/src/fasta/parser/listener.dart b/pkg/front_end/lib/src/fasta/parser/listener.dart
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| index 9e0427436db37380d79007f7d360a14015959763..937aa46481c96d306e35a0ee2bb2b973ee7e4258 100644
 | 
| --- a/pkg/front_end/lib/src/fasta/parser/listener.dart
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| +++ b/pkg/front_end/lib/src/fasta/parser/listener.dart
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| @@ -164,7 +164,8 @@ class Listener {
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|  
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|    void beginFormalParameter(Token token) {}
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|  
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| -  void endFormalParameter(Token thisKeyword, FormalParameterType kind) {
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| +  void endFormalParameter(Token covariantKeyword, Token thisKeyword,
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| +      FormalParameterType kind) {
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|      logEvent("FormalParameter");
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|    }
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|  
 | 
| 
 |