if (o == this) {
        return true;
      }
      synchronized (mutex) {
        return delegate().equals(o);
      }
    }

    @Override
    public int hashCode() {
      synchronized (mutex) {
        return delegate().hashCode();
      }
    }

    private static final long serialVersionUID = 0;
  }

  private static <E extends @Nullable Object> SortedSet<E> sortedSet(

      if (o == this) {
        return true;
      }
      synchronized (mutex) {
        return delegate().equals(o);
      }
    }

    @Override
    public int hashCode() {
      synchronized (mutex) {
        return delegate().hashCode();
      }
    }

    private static final long serialVersionUID = 0;
  }

  private static <E extends @Nullable Object> SortedSet<E> sortedSet(

      };

  /** Instantiable predicate with reasonable hashCode() and equals() methods. */
  static class IsOdd implements Predicate<@Nullable Integer>, Serializable {
    private static final long serialVersionUID = 0x150ddL;

    @Override
    public boolean apply(@Nullable Integer i) {
      return (i.intValue() & 1) == 1;
    }

    @Override
    public int hashCode() {
      return 0x150dd;
    }

    @Override

    for (int i = 0; i < reps; i++) {
      MoreObjects.ToStringHelper helper = newHelper();
      for (int j = 0; j < dataSize; ++j) {
        dataset.addEntries(helper);
      }
      dummy ^= helper.toString().hashCode();
    }
    return dummy;
  }

  // When omitEmptyValues() is released, remove this method and add a new @Param "omitEmptyValues".

    return delegate.size();
  }

  @Override
  public boolean equals(@Nullable Object object) {
    return delegate.equals(object);
  }

  @Override
  public int hashCode() {
    return delegate.hashCode();
  }

  @Override
  public String toString() {
    return delegate.toString();
  }

    byte[] bytes() {
      return out.toByteArray();
    }

    void assertBytes(byte[] expected) {
      assertArrayEquals(expected, bytes());
    }

    @Override
    public HashCode hash() {
      return HashCode.fromBytesNoCopy(bytes());
    }
  }

    }

    private void checkNotDone() {
      checkState(!done, "Cannot re-use a Hasher after calling hash() on it");
    }

    @Override
    public HashCode hash() {
      checkNotDone();
      done = true;
      return HashCode.fromBytesNoCopy(mac.doFinal());
    }
  }

   * Returns a hash code for {@code value}; equal to the result of invoking {@code ((Boolean)
   * value).hashCode()}.
   *
   * <p><b>Java 8+ users:</b> use {@link Boolean#hashCode(boolean)} instead.
   *
   * @param value a primitive {@code boolean} value
   * @return a hash code for the value
   */
  public static int hashCode(boolean value) {
    return value ? 1231 : 1237;
  }

  /**

   * Returns a hash code for {@code value}; equal to the result of invoking {@code ((Boolean)
   * value).hashCode()}.
   *
   * <p><b>Java 8+ users:</b> use {@link Boolean#hashCode(boolean)} instead.
   *
   * @param value a primitive {@code boolean} value
   * @return a hash code for the value
   */
  public static int hashCode(boolean value) {
    return value ? 1231 : 1237;
  }

  /**

            this.attrs,
            this.options);
    }


    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#hashCode()
     */
    @Override
    public int hashCode () {
        if ( this.fileId != null ) {
            return (int) ( Arrays.hashCode(this.fileId) + 3 * this.tree_num );
        }
        return (int) ( this.fid + 3 * this.tree_num );
    }


    /**