root.set("foo");
    }

    SettableFuture<Object> root = SettableFuture.create();
    ListenableFuture<Object> output = root;
    for (int i = 0; i < 10000; i++) {
      output = transform(output, identity(), directExecutor());
    }
    try {
      root.set("foo");
      fail();
    } catch (StackOverflowError expected) {
    }
  }

      root.set("foo");
    }

    SettableFuture<Object> root = SettableFuture.create();
    ListenableFuture<Object> output = root;
    for (int i = 0; i < 10000; i++) {
      output = transform(output, identity(), directExecutor());
    }
    try {
      root.set("foo");
      fail();
    } catch (StackOverflowError expected) {
    }
  }

      chars = new int[10002];
      int[] temp =
          new int[] {
            32, 9, 10, 101, 97, 13, 105, 111, 110, 116, 114, 115, 108, 100, 99, 117, 109, 104, 112,
            103, 48, 46, 98, 49, 160, 102, 50, 118, 121, 107, 44, 119, 45, 58, 51, 53, 52, 57, 56,
            106, 54, 122, 55, 47, 41, 40, 124, 120, 1103, 1072, 1086, 113, 1080, 1575, 1077, 1085,

   * @param right the map to treat as the "right" map for purposes of comparison
   * @param valueEquivalence the equivalence relationship to use to compare values
   * @return the difference between the two maps
   * @since 10.0
   */
  public static <K extends @Nullable Object, V extends @Nullable Object>
      MapDifference<K, V> difference(
          Map<? extends K, ? extends V> left,
          Map<? extends K, ? extends V> right,

      chars = new int[10002];
      int[] temp =
          new int[] {
            32, 9, 10, 101, 97, 13, 105, 111, 110, 116, 114, 115, 108, 100, 99, 117, 109, 104, 112,
            103, 48, 46, 98, 49, 160, 102, 50, 118, 121, 107, 44, 119, 45, 58, 51, 53, 52, 57, 56,
            106, 54, 122, 55, 47, 41, 40, 124, 120, 1103, 1072, 1086, 113, 1080, 1575, 1077, 1085,