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 {

  var exception: IOException? = null
  val files =
    try {
      list(directory)
    } catch (fnfe: FileNotFoundException) {
      return
    }
  for (file in files) {
    try {
      if (metadata(file).isDirectory) {
        deleteContents(file)
      }

      delete(file)
    } catch (ioe: IOException) {
      if (exception == null) {
        exception = ioe
      }
    }

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.dfs.DfsReferralDataInternal#replaceCache()
     */
    @Override
    public void replaceCache() {
        if (this.map != null && this.key != null) {
            this.map.put(this.key, this);
        }
    }

    @Override
    public DfsReferralDataImpl next() {
        return this.next;
    }

    /**

    }

    int version;
    int size;
    int serverType;
    int rflags;
    int proximity;
    String altPath;

    int ttl;
    String rpath = null;
    String node = null;
    String specialName = null;

    String[] expandedNames = {};

    /**
     * Gets the DFS referral version number.
     *
     * @return the version
     */
    public final int getVersion() {

    @Test
    void testMirrorLayoutConsideredForMatching() {
        ArtifactRepository repo = getRepo("a");

        Mirror mirrorA = newMirror("a", "a", null, "http://a");
        Mirror mirrorB = newMirror("b", "a", "p2", "http://b");

        Mirror mirrorC = newMirror("c", "*", null, "http://c");
        Mirror mirrorD = newMirror("d", "*", "p2", "http://d");