java2dart improvements and new analyzer_experimental snapshot.

pkg/analyzer_experimental/lib/src/generated/instrumentation.dart

 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 library engine.instrumentation;
 import 'java_core.dart';
 /**
  * The class `Instrumentation` implements support for logging instrumentation information.
  *
  * Instrumentation information consists of information about specific operations. Those operations
  * can range from user-facing operations, such as saving the changes to a file, to internal
  * operations, such as tokenizing source code. The information to be logged is gathered by
@@ skipping 237 matching lines @@
    */
   InstrumentationBuilder record(Exception exception);
 }
 /**
  * The instrumentation recording level representing (1) recording [EVERYTHING] recording of
  * all instrumentation data, (2) recording only [METRICS] information, or (3) recording
  * turned [OFF] in which case nothing is recorded.
  *
  * @coverage dart.engine.utilities
  */
-class InstrumentationLevel implements Enum<InstrumentationLevel> {
+class InstrumentationLevel extends Enum<InstrumentationLevel> {
 
   /** Recording all instrumented information */
   static final InstrumentationLevel EVERYTHING = new InstrumentationLevel('EVERYTHING', 0);
 
   /** Recording only metrics */
   static final InstrumentationLevel METRICS = new InstrumentationLevel('METRICS', 1);
 
   /** Nothing recorded */
   static final InstrumentationLevel OFF = new InstrumentationLevel('OFF', 2);
   static final List<InstrumentationLevel> values = [EVERYTHING, METRICS, OFF];
-
-  /// The name of this enum constant, as declared in the enum declaration.
-  final String name;
-
-  /// The position in the enum declaration.
-  final int ordinal;
   static InstrumentationLevel fromString(String str) {
     if (str == "EVERYTHING") {
       return InstrumentationLevel.EVERYTHING;
     }
     if (str == "METRICS") {
       return InstrumentationLevel.METRICS;
     }
     if (str == "OFF") {
       return InstrumentationLevel.OFF;
     }
     throw new IllegalArgumentException("Unrecognised InstrumentationLevel");
   }
-  InstrumentationLevel(this.name, this.ordinal);
-  int compareTo(InstrumentationLevel other) => ordinal - other.ordinal;
-  int get hashCode => ordinal;
-  String toString() => name;
+  InstrumentationLevel(String name, int ordinal) : super(name, ordinal);
 }
 /**
  * The interface `InstrumentationLogger` defines the behavior of objects that are used to log
  * instrumentation data.
  *
  * For an example of using objects that implement this interface, see [Instrumentation].
  *
  * @coverage dart.engine.utilities
  */
 abstract class InstrumentationLogger {
 
   /**
    * Create a builder that can collect the data associated with an operation identified by the given
    * name.
    *
    * @param name the name used to uniquely identify the operation
    * @return the builder that was created
    */
   InstrumentationBuilder createBuilder(String name);
 }