assertThat(map.replace(one, three)).isSameInstanceAs(two);
    assertThat(map.get(one)).isSameInstanceAs(three);
    assertThat(map.replace(one, two, three)).isFalse();
    assertThat(map.get(one)).isSameInstanceAs(three);
    assertThat(map.replace(one, three, two)).isTrue();
    assertThat(map.get(one)).isSameInstanceAs(two);
    assertThat(map).hasSize(3);

    map.clear();

        final Map<String, Object> attributes = new HashMap<>();

        authenticator.parseJwtClaim(jwtClaim, attributes);

        assertTrue(attributes.get("address") instanceof Map);
        @SuppressWarnings("unchecked")
        final Map<String, Object> address = (Map<String, Object>) attributes.get("address");

   * putAll()}.
   *
   * @return a map view from each row key to a secondary map from column keys to values
   */
  Map<R, Map<C, V>> rowMap();

  /**
   * Returns a view that associates each column key with the corresponding map from row keys to
   * values. Changes to the returned map will update this table. The returned map does not support

		}
		Toys []Toy `gorm:"polymorphic:Owner;"`
	}

	s, err := schema.Parse(&User{}, &sync.Map{}, schema.NamingStrategy{})
	if err != nil {
		t.Fatalf("Failed to parse schema, got error %v", err)
	}

	checkEmbeddedRelations(t, s.Relationships.EmbeddedRelations, map[string]EmbeddedRelations{
		"Cat": {
			Relations: map[string]Relation{
				"Toy": {
					Name:        "Toy",
					Type:        schema.HasOne,

	}
}

type metricValue struct {
	Labels map[string]string
	Value  float64
}

// MetricValues - type to set metric values retrieved while loading metrics. A
// value of this type is passed to the `MetricsLoaderFn`.
type MetricValues struct {
	values      map[MetricName][]metricValue
	descriptors map[MetricName]MetricDescriptor
}

func newMetricValues(d map[MetricName]MetricDescriptor) MetricValues {

        }
    }

    private Map<String, Object> getContextMap() {
        HashMap<String, Object> map = mapPool.poll();
        if (map == null) {
            map = new HashMap<>();
        } else {
            map.clear();
        }
        return map;
    }

    private void returnContextMap(Map<String, Object> map) {
        if (map instanceof HashMap && map.size() < 20) { // Avoid keeping very large maps

         * Initialize mapping from lifecycle phase to bound mojos. The key set of this map denotes the phases the caller
         * is interested in, i.e. all phases up to and including the specified phase.
         */

        Map<String, Map<PhaseId, List<MojoExecution>>> mappings =
                new TreeMap<>(new PhaseComparator(lifecycle.getPhases()));

        Map<String, String> aliases = lifecycle.getDelegate().aliases().stream()

  @Override
  public void clear() {
    delegate().clear();
  }

  @Override
  public Map<R, V> column(@ParametricNullness C columnKey) {
    return delegate().column(columnKey);
  }

  @Override
  public Set<C> columnKeySet() {
    return delegate().columnKeySet();
  }

  @Override
  public Map<C, Map<R, V>> columnMap() {
    return delegate().columnMap();
  }

  @Override

        /**
         * @param param
         * @return 戻り値
         */
        @SuppressWarnings("rawtypes")
        Map rawMap(Map param);

        /**
         * @param param
         * @return 戻り値
         */
        Map<String, Class<?>> genericMap(Map<Integer, String> param);

    }

    }

    @Test
    @DisplayName("Options map is not mutated by configuration (verify no writes)")
    void optionsMap_notMutated_verifyNoWrites() {
        // Arrange: create a regular map first, then spy on it
        Map<String, Object> originalMap = new HashMap<>();
        originalMap.put("refreshKrb5Config", "true");

        @SuppressWarnings("unchecked")
        Map<String, Object> spyOpts = spy(originalMap);