Translate private Java members to private Dart members.

pkg/analyzer/lib/src/generated/utilities_dart.dart

Index: pkg/analyzer/lib/src/generated/utilities_dart.dart
diff --git a/pkg/analyzer/lib/src/generated/utilities_dart.dart b/pkg/analyzer/lib/src/generated/utilities_dart.dart
index 76a711a6948967bc9359fc30c9184f7b2c7e9bfc..aef747336c0f48b56dcc14fb5c9367f77f69f74d 100644
--- a/pkg/analyzer/lib/src/generated/utilities_dart.dart
+++ b/pkg/analyzer/lib/src/generated/utilities_dart.dart
@@ -26,21 +26,12 @@ class ParameterKind extends Enum<ParameterKind> {
   /**
    * A flag indicating whether this is an optional parameter.
    */
-  bool _isOptional2 = false;
+  final bool isOptional;
 
   /**
    * Initialize a newly created kind with the given state.
    *
    * @param isOptional `true` if this is an optional parameter
    */
-  ParameterKind(String name, int ordinal, bool isOptional) : super(name, ordinal) {
-    this._isOptional2 = isOptional;
-  }
-
-  /**
-   * Return `true` if this is an optional parameter.
-   *
-   * @return `true` if this is an optional parameter
-   */
-  bool get isOptional => _isOptional2;
+  ParameterKind(String name, int ordinal, this.isOptional) : super(name, ordinal);
 }