if (entry == null) {
      throw new NoSuchElementException();
    }
    return entry.getElement();
  }

  private static <E extends @Nullable Object> @Nullable E getElementOrNull(
      @Nullable Entry<E> entry) {
    return (entry == null) ? null : entry.getElement();
  }

  @CollectionSize.Require(absent = ZERO)
  public void testCreateWithNullKeyAndValueSupported() {
    Entry<K, V>[] entries = createSamplesArray();
    entries[getNullLocation()] = entry(null, null);
    resetMap(entries);
    expectContents(entries);
  }

  @MapFeature.Require(value = ALLOWS_NULL_KEYS, absent = REJECTS_DUPLICATES_AT_CREATION)
  @CollectionSize.Require(absent = {ZERO, ONE})

            if (log.isTraceEnabled()) {
                log.trace(e.toString());
            }
        }
        setResults(results);
        this.lastName = e == null ? null : e.name;
        return bufferIndex - start;
    }

    @Override
    public String toString() {

        }
    }

    @Test
    void testNullHandling() {
        assertThrows(NullPointerException.class, () -> Sources.fromPath(null));
        assertThrows(NullPointerException.class, () -> Sources.buildSource(null));
        assertThrows(NullPointerException.class, () -> Sources.resolvedSource(null, "location"));
    }

	[ ${first_time} -eq 0 ] && upload_objects
	[ ${first_time} -ne 0 ] && sleep 120

	if ! ps -p $pid1 1>&2 >/dev/null; then
		echo "minio server 1 is not running" && fail
	fi

	if ! ps -p $pid2 1>&2 >/dev/null; then
		echo "minio server 2 is not running" && fail
	fi

	if ! ps -p $pid3 1>&2 >/dev/null; then
		echo "minio server 3 is not running" && fail
	fi

	if ! pkill minio; then
		fail
	fi

	sleep 1

     *  XPath namespace prefixes are resolved from the contextNode.
     *
     *  @param contextNode The node to start searching from.
     *  @param expression A valid XPath string.
     *  @return A XPathNodes, should never be null.
     *
     * @throws XPathExpressionException if an XPath expression error occurs.
     */
    public XPathNodes selectNodeList(final Node contextNode, final String expression) throws XPathExpressionException {

        nodeStatusRequest.questionName = null;

        // Act
        String result = nodeStatusRequest.toString();

        // Assert
        assertNotNull(result);
        assertTrue(result.contains("NodeStatusRequest"));
        assertTrue(result.contains("null"));
    }

    @Test
    void writeWireFormat_shouldDelegateToParent() {
        // Arrange

import org.dbflute.util.DfTypeUtil;

/**
 * @author FreeGen
 */
public class RoleBhv extends BsRoleBhv {
    private String indexName = null;

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexUserIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_user"), name);
        }

    assertThat(getDone(immediateFuture("a"))).isEqualTo("a");
  }

  public void testSuccessfulNull() throws ExecutionException {
    assertThat(getDone(Futures.<@Nullable String>immediateFuture(null))).isEqualTo(null);
  }

  public void testFailed() {
    Exception failureCause = new Exception();
    ExecutionException expected =

    }

    @Override
    public String toString() {
        return getGroupId() + ":" + getArtifactId() + ":" + getVersion() + ":"
                + (getClassifier() == null ? "" : getClassifier()) + ":"
                + (getType() == null ? DEFAULT_TYPE : getType());
    }