Generate unique names less aggressively.

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 {@code Instrumentation} implements support for logging instrumentation information.
  * <p>
@@ skipping 57 matching lines @@
   /**
    * Is this instrumentation system currently configured to drop instrumentation data provided to
    * it?
    * @return
    */
   static bool isNullLogger() => identical(_CURRENT_LOGGER, _NULL_LOGGER);
   /**
    * Set the logger that should receive instrumentation information to the given logger.
    * @param logger the logger that should receive instrumentation information
    */
-  static void set logger(InstrumentationLogger logger3) {
-    _CURRENT_LOGGER = logger3 == null ? _NULL_LOGGER : logger3;
+  static void set logger(InstrumentationLogger logger2) {
+    _CURRENT_LOGGER = logger2 == null ? _NULL_LOGGER : logger2;
   }
   /**
    * Prevent the creation of instances of this class
    */
   Instrumentation() {
   }
 }
 class InstrumentationBuilder_13 implements InstrumentationBuilder {
   InstrumentationBuilder data(String name, bool value) => this;
   InstrumentationBuilder data2(String name, int value) => this;
@@ skipping 160 matching lines @@
  */
 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);
 }