final SynonymItem synonymItem1 = new SynonymItem(1, new String[] { "a" }, new String[] { "b" });

        assertTrue(synonymItem1.equals(synonymItem1));
        assertTrue(synonymItem1.equals(new SynonymItem(1, new String[] { "a" }, new String[] { "b" })));
        assertFalse(synonymItem1.equals(new SynonymItem(2, new String[] { "a" }, new String[] { "B", })));

   * required, to have the following properties:
   *
   * <ul>
   *   <li>Its execution does not cause any observable side effects.
   *   <li>The computation is <i>consistent with equals</i>; that is, {@link Objects#equal
   *       Objects.equal}{@code (a, b)} implies that {@code predicate.apply(a) ==
   *       predicate.apply(b))}.
   * </ul>
   *

  }

  private MinimalSet(Class<? super @NonNull E> type, E... contents) {
    super(type, true, contents);
  }

  /*
   * equals() and hashCode() are more specific in the Set contract.
   */

  @Override
  public boolean equals(@Nullable Object object) {
    if (object instanceof Set) {
      Set<?> that = (Set<?>) object;
      return (this.size() == that.size()) && this.containsAll(that);
    }

  }

  private MinimalSet(Class<? super @NonNull E> type, E... contents) {
    super(type, true, contents);
  }

  /*
   * equals() and hashCode() are more specific in the Set contract.
   */

  @Override
  public boolean equals(@Nullable Object object) {
    if (object instanceof Set) {
      Set<?> that = (Set<?>) object;
      return (this.size() == that.size()) && this.containsAll(that);
    }

          }
        }
      }
      return this;
    }

    /**
     * Tests {@link Object#equals} and {@link Object#hashCode} against the return values of the
     * static methods, by asserting that when equal parameters are passed to the same static method,
     * the return value should also be equal; and vice versa.
     *
     * <p>Test fails if default value cannot be determined for a constructor or factory method

            // 2.0.X == 2-X == 2.0.0.X for any string x
            checkVersionsEqual("2-" + x, "2.0." + x); // previously ordered, now equals
            checkVersionsEqual("2-" + x, "2.0.0." + x); // previously ordered, now equals
            checkVersionsEqual("2.0." + x, "2.0.0." + x); // previously ordered, now equals
        }
    }

    @Test
    public void testMng7714() {

   *
   * <p>Two {@code ListMultimap} instances are equal if, for each key, they contain the same values
   * in the same order. If the value orderings disagree, the multimaps will not be considered equal.
   */
  @Override
  public boolean equals(@CheckForNull Object object) {
    return super.equals(object);
  }

  private static final long serialVersionUID = 6588350623831699109L;

   *
   * <p>Two {@code ListMultimap} instances are equal if, for each key, they contain the same values
   * in the same order. If the value orderings disagree, the multimaps will not be considered equal.
   */
  @Override
  public boolean equals(@CheckForNull Object object) {
    return super.equals(object);
  }

  private static final long serialVersionUID = 6588350623831699109L;

        }
        return (result == 0);
      }
    },
    MESSAGE_DIGEST_IS_EQUAL {
      @Override
      boolean doEquals(byte[] a, byte[] b) {
        return MessageDigest.isEqual(a, b);
      }
    },
    ARRAYS_EQUALS {
      @Override
      boolean doEquals(byte[] a, byte[] b) {
        return Arrays.equals(a, b);
      }
    };

    abstract boolean doEquals(byte[] a, byte[] b);
  }

        }
        return (result == 0);
      }
    },
    MESSAGE_DIGEST_IS_EQUAL {
      @Override
      boolean doEquals(byte[] a, byte[] b) {
        return MessageDigest.isEqual(a, b);
      }
    },
    ARRAYS_EQUALS {
      @Override
      boolean doEquals(byte[] a, byte[] b) {
        return Arrays.equals(a, b);
      }
    };

    abstract boolean doEquals(byte[] a, byte[] b);
  }