Deserialize parameters before printing them

pkg/analyzer/lib/src/dart/element/element.dart

 // 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 analyzer.src.dart.element.element;
 
 import 'dart:collection';
 import 'dart:math' show min;
 
 import 'package:analyzer/dart/ast/ast.dart';
@@ skipping 4764 matching lines @@
       buffer.write("<");
       for (int i = 0; i < typeParameterCount; i++) {
         if (i > 0) {
           buffer.write(", ");
         }
         (_typeParameters[i] as TypeParameterElementImpl).appendTo(buffer);
       }
       buffer.write(">");
     }
     buffer.write("(");
-    int parameterCount = _parameters.length;
+    List<ParameterElement> parameterList = parameters;
+    int parameterCount = parameterList.length;
     for (int i = 0; i < parameterCount; i++) {
       if (i > 0) {
         buffer.write(", ");
       }
-      (_parameters[i] as ParameterElementImpl).appendTo(buffer);
+      (parameterList[i] as ParameterElementImpl).appendTo(buffer);
     }
     buffer.write(")");
     if (type != null) {
       buffer.write(ElementImpl.RIGHT_ARROW);
       buffer.write(type.returnType);
     } else if (returnType != null) {
       buffer.write(ElementImpl.RIGHT_ARROW);
       buffer.write(returnType);
     }
   }
@@ skipping 3686 matching lines @@
 
   @override
   void visitElement(Element element) {
     int offset = element.nameOffset;
     if (offset != -1) {
       map[offset] = element;
     }
     super.visitElement(element);
   }
 }