* @since 4.0 (in Equivalences)
   */
  public static Equivalence<Object> equals() {
    return Equals.INSTANCE;
  }

  /**
   * Returns an equivalence that uses {@code ==} to compare values and {@link
   * System#identityHashCode(Object)} to compute the hash code. {@link Equivalence#equivalent}
   * returns {@code true} if {@code a == b}, including in the case that a and b are both null.
   *

    }

    /**
     * Return the IP address of this address as a 32 bit integer.
     */

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

    /**
     * Compare two addresses for equality. Two <code>UniAddress</code>s are equal
     * if they are both <code>UniAddress</code>' and refer to the same IP address.
     */
    @Override
    public boolean equals(final Object obj) {

   * nor do its entries support {@link Entry#setValue setValue}.
   */
  Map<K, Collection<V>> asMap();

  // Comparison and hashing

  /**
   * Compares the specified object with this multimap for equality. Two multimaps are equal when
   * their map views, as returned by {@link #asMap}, are also equal.
   *

    }
  }

  /**
   * Returns an immutable list containing the given elements, sorted according to their natural
   * order. The sorting algorithm used is stable, so elements that compare as equal will stay in the
   * order in which they appear in the input.
   *
   * <p>If your data has no duplicates, or you wish to deduplicate elements, use {@code

              // Test for equality to allow non-finite values to match; otherwise, use the finite
              // test.
              return actual.equals(expected)
                  || FINITE_QUANTILE_CORRESPONDENCE.compare(actual, expected);
            }
          },
          "is identical to or " + FINITE_QUANTILE_CORRESPONDENCE);

  // 1. Tests on a hardcoded dataset for chains starting with median(), quartiles(), and scale(10):

              // Test for equality to allow non-finite values to match; otherwise, use the finite
              // test.
              return actual.equals(expected)
                  || FINITE_QUANTILE_CORRESPONDENCE.compare(actual, expected);
            }
          },
          "is identical to or " + FINITE_QUANTILE_CORRESPONDENCE);

  // 1. Tests on a hardcoded dataset for chains starting with median(), quartiles(), and scale(10):

      Comparator<IndexedIterator<T>> heapComparator =
          (o1, o2) ->
              ComparisonChain.start()
                  .compare(o1.iterator.peek(), o2.iterator.peek(), itemComparator)
                  // When elements are equal, use insertion order to maintain stability
                  .compare(o1.index, o2.index)
                  .result();

      queue = new PriorityQueue<>(2, heapComparator);

      Comparator<IndexedIterator<T>> heapComparator =
          (o1, o2) ->
              ComparisonChain.start()
                  .compare(o1.iterator.peek(), o2.iterator.peek(), itemComparator)
                  // When elements are equal, use insertion order to maintain stability
                  .compare(o1.index, o2.index)
                  .result();

      queue = new PriorityQueue<>(2, heapComparator);

	FMADDS	F1, F2, F3, F4				// 43822018
	FMSUBS	F1, F2, F3, F4				// 47822018
	FNMSUBS	F1, F2, F3, F4				// 4b822018
	FNMADDS	F1, F2, F3, F4				// 4f822018

	// 20.8: Single-Precision Floating-Point Compare Instructions
	FEQS	F0, F1, X7				// d3a300a0
	FLTS	F0, F1, X7				// d39300a0
	FLES	F0, F1, X7				// d38300a0

	// 20.9: Single-Precision Floating-Point Classify Instruction
	FCLASSS	F0, X5					// d31200e0

          .isEqualTo(MoreFiles.asByteSource(fooCopy).size());
      assertThat(MoreFiles.equal(fooPath, fooCopy)).isFalse();

      // should also assert that a Path that erroneously reports a size 0 can still be compared,
      // not sure how to do that with the Path API
    }
  }

  public void testEqual_links() throws IOException {
    try (FileSystem fs = Jimfs.newFileSystem(Configuration.unix())) {