}

    @Test
    void testEqualsNullSafe() {
        assertFalse(new PluginContainer().equals(null));

        new PluginContainer().equals(new PluginContainer());
    }

    @Test
    void testEqualsIdentity() {
        PluginContainer thing = new PluginContainer();
        assertTrue(thing.equals(thing), "Expected " + thing + " to equal " + thing);
    }

    @Test
    void testToStringNullSafe() {

   *       ContiguousSet.create(a, domain))}
   *   <li>uniqueness: unless {@code a.isEmpty()}, {@code ContiguousSet.create(a,
   *       domain).equals(ContiguousSet.create(b, domain))} implies {@code
   *       a.canonical(domain).equals(b.canonical(domain))}
   *   <li>idempotence: {@code a.canonical(domain).canonical(domain).equals(a.canonical(domain))}
   * </ul>
   *

    @ParametricNullness
    V rightValue();

    /**
     * Two instances are considered equal if their {@link #leftValue()} values are equal and their
     * {@link #rightValue()} values are also equal.
     */
    @Override
    boolean equals(@Nullable Object other);

    /**
     * The hash code equals the value {@code Arrays.asList(leftValue(), rightValue()).hashCode()}.
     */
    @Override

    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        if (!super.equals(o)) {
            return false;
        }
        MethodMetaData that = (MethodMetaData) o;
        return Objects.equals(name, that.name) &&

    private static final String REVISION_PROPERTY = "revision";

    @Override
    public boolean isValidProperty(String property) {
        return REVISION_PROPERTY.equals(property)
                || CHANGELIST_PROPERTY.equals(property)
                || SHA1_PROPERTY.equals(property);
    }

    @Override
    public void overwriteModelProperties(Properties modelProperties, ModelBuildingRequest request) {

  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object == this) {
      return true;
    }
    if (object instanceof ByFunctionOrdering) {
      ByFunctionOrdering<?, ?> that = (ByFunctionOrdering<?, ?>) object;
      return this.function.equals(that.function) && this.ordering.equals(that.ordering);
    }
    return false;
  }

  @Override

  }

  @Override
  public boolean equals(@Nullable Object obj) {
    if (obj == this) {
      return true;
    }
    if (obj instanceof FunctionalEquivalence) {
      FunctionalEquivalence<?, ?> that = (FunctionalEquivalence<?, ?>) obj;
      return function.equals(that.function) && resultEquivalence.equals(that.resultEquivalence);
    }
    return false;
  }

  @Override

            if (node2.metadata == null) {
                return metadata == null;
            }

            return metadata != null && metadata.toString().equals(node2.metadata.toString());
        } else {
            return super.equals(obj);
        }
    }

    @Override
    public int hashCode() {
        if (metadata == null) {
            return super.hashCode();
        }

        return metadata.toString().hashCode();

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

              @Override
              public boolean equals(@Nullable Object o) {
                return map.equals(o);
              }

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

              @Override

        @Override
        public boolean equals(Object o) {
            if (o == this) {
                return true;
            }

            if (o instanceof CacheKey other) {
                return ids.equals(other.ids)
                        && files.equals(other.files)
                        && timestamps.equals(other.timestamps)
                        && sizes.equals(other.sizes);
            } else {