}
    assertEquals(
        "A Set's hashCode() should be the sum of those of its elements.",
        expectedHashCode,
        getSet().hashCode());
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  @CollectionFeature.Require(ALLOWS_NULL_VALUES)
  public void testHashCode_containingNull() {
    Collection<E> elements = getSampleElements(getNumElements() - 1);
    int expectedHashCode = 0;

        PomTestWrapper pom = buildPom("merged-plugin-exec-goals-order/wo-plugin-mgmt/sub");

        assertEquals(5, ((List<?>) pom.getValue("build/plugins[1]/executions[1]/goals")).size());
        assertEquals("child-a", pom.getValue("build/plugins[1]/executions[1]/goals[1]"));
        assertEquals("merged", pom.getValue("build/plugins[1]/executions[1]/goals[2]"));

</div>

## Top Contributors

Here are the **Top Contributors**. 👷

These users have [created the most Pull Requests](help-fastapi.md#create-a-pull-request){.internal-link target=_blank} that have been *merged*.

They have contributed source code, documentation, etc. 📦

<div class="user-list user-list-center">

{% for user in (contributors.values() | list)[:50] %}

{% if user.login not in skip_users %}

import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_ADD;
import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static java.util.Collections.nCopies;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.features.CollectionFeature;

import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_ADD;
import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static java.util.Collections.nCopies;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.features.CollectionFeature;

	if c.abortWrites.Load() {
		return 0, context.DeadlineExceeded
	}
	c.setWriteDeadline()
	n, err = c.Conn.Write(b)
	return n, err
}

// SetDeadline will set the deadline for reads and writes.
// A zero value for t means I/O operations will not time out.
func (c *DeadlineConn) SetDeadline(t time.Time) error {
	c.mu.Lock()
	defer c.mu.Unlock()

	c.readSetAt = time.Time{}
	c.writeSetAt = time.Time{}

import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_REMOVE;
import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static com.google.common.collect.testing.google.ReflectionFreeAssertThrows.assertThrows;
import static java.util.Arrays.asList;
import static java.util.Collections.singleton;

import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_REMOVE;
import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static com.google.common.collect.testing.google.ReflectionFreeAssertThrows.assertThrows;
import static java.util.Arrays.asList;
import static java.util.Collections.singleton;

    sortedMultiset = (SortedMultiset<E>) getMultiset();
  }

  @CollectionSize.Require(ZERO)
  public void testEmptyMultisetFirst() {
    assertNull(sortedMultiset.firstEntry());
    assertThrows(NoSuchElementException.class, () -> sortedMultiset.elementSet().first());
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)
  public void testEmptyMultisetPollFirst() {

		pool: sync.Pool{
			New: func() any {
				var t T
				return &t
			},
		},
		emptySz: sz,
	}
}

func (p *JSONPool[T]) new() *T {
	var zero T
	if t, ok := p.pool.Get().(*T); ok {
		*t = zero
		return t
	}
	return &zero
}

// JSON is a wrapper around a T object that can be serialized.
// There is an internal value
type JSON[T any] struct {
	p   *JSONPool[T]
	val *T
}