./mc mb -l myminio/versioned

./mc mirror internal myminio/versioned/ --quiet >/dev/null

## Soft delete (creates delete markers)
./mc rm -r --force myminio/versioned >/dev/null

## mirror again to create another set of version on top
./mc mirror internal myminio/versioned/ --quiet >/dev/null

expected_checksum=$(./mc cat internal/dsync/drwmutex.go | md5sum)

    List<@Nullable String> list = newArrayList("a", null, "b", null, "a", null);
    assertEquals(2, frequency(list.iterator(), "a"));
    assertEquals(1, frequency(list.iterator(), "b"));
    assertEquals(0, frequency(list.iterator(), "c"));
    assertEquals(0, frequency(list.iterator(), 4.2));
    assertEquals(3, frequency(list.iterator(), null));
  }

  @GwtIncompatible // slow (~4s)

            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        }).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        });
        synonymService.store(body.dictId, entity);
        return asJson(

    void setUp() throws CIFSException {
        // Setup mock configuration with required methods
        when(mockConfig.getDefaultUsername()).thenReturn(null);
        when(mockConfig.getDefaultPassword()).thenReturn(null);
        when(mockConfig.getDefaultDomain()).thenReturn(null);
        when(mockConfig.getBufferCacheSize()).thenReturn(16);
        when(mockConfig.getMaximumBufferSize()).thenReturn(65536);

    assertContains(multimap().get(null), getValueForNullKey());
  }

  @MapFeature.Require(ALLOWS_NULL_KEY_QUERIES)
  public void testGetNullAbsent() {
    assertEmpty(multimap().get(null));
  }

  @MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES)
  public void testGetNullForbidden() {
    assertThrows(NullPointerException.class, () -> multimap().get(null));
  }

           * can be used with collections that may contain null. This collection is a collection of
           * non-null Entry objects (Entry objects that might contain null values but are not
           * themselves null), so we can treat it as a plain `Object[]`.
           */
          @SuppressWarnings("nullness")
          Object[] result = standardToArray();

         *
         * @param id the identifier for this path scope
         * @param projectScope the project scope associated with this path scope, must not be null
         * @param dependencyScopes the dependency scopes associated with this path scope, must not be null
         */
        DefaultPathScope(String id, ProjectScope projectScope, DependencyScope... dependencyScopes) {
            super(id);

    @Override
    public List<String> convert(final String text, final String field, final String... langs) throws IOException {
        final ReadingConverter converter;
        if (langs == null || langs.length == 0) {
            converter = new LangAnalyzerConverter(null);
        } else {
            final ReadingConverterChain chain = new ReadingConverterChain();
            for (final String lang : langs) {

            UserAgentType uaType = (UserAgentType) request.getAttribute(USER_AGENT_TYPE);
            if (uaType == null) {
                final String userAgent = request.getHeader(USER_AGENT);
                if (userAgent != null) {
                    if (userAgent.indexOf("MSIE") >= 0 || userAgent.indexOf("Trident") >= 0) {
                        uaType = UserAgentType.IE;

     * .
     */
    @Test
    public void testCopyDestNull() {
        exception.expect(NullArgumentException.class);
        exception.expectMessage(is("[ECL0008]argument[enumeration] is null."));
        new EnumerationIterator<Object>(null);
    }