}
      Collection<Map.Entry<K, ImmutableCollection.Builder<V>>> mapEntries = builderMap.entrySet();
      if (keyComparator != null) {
        mapEntries = Ordering.from(keyComparator).<K>onKeys().immutableSortedCopy(mapEntries);
      }
      return ImmutableListMultimap.fromMapBuilderEntries(mapEntries, valueComparator);
    }
  }

  /**

      }
      Collection<Map.Entry<K, ImmutableCollection.Builder<V>>> mapEntries = builderMap.entrySet();
      if (keyComparator != null) {
        mapEntries = Ordering.from(keyComparator).<K>onKeys().immutableSortedCopy(mapEntries);
      }
      return ImmutableListMultimap.fromMapBuilderEntries(mapEntries, valueComparator);
    }
  }

  /**

    }

    @Override
    public int[] call() {
      int iterations = 100000;
      int nKeys = keys.size();
      int[] deltas = new int[nKeys];
      Operation[] operations = Operation.values();
      for (int i = 0; i < iterations; i++) {
        int keyIndex = random.nextInt(nKeys);
        String key = keys.get(keyIndex);
        Operation op = operations[random.nextInt(operations.length)];

@NullUnmarked
abstract class JSR166TestCase extends TestCase {
  protected static final boolean expensiveTests = Boolean.getBoolean("jsr166.expensiveTests");

  /**
   * If true, report on stdout all "slow" tests, that is, ones that take more than profileThreshold
   * milliseconds to execute.
   */
  private static final boolean profileTests = Boolean.getBoolean("jsr166.profileTests");

  /**

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