*       collection. This is a stronger guarantee than that of {@link
 *       Collections#unmodifiableCollection}, whose contents change whenever the wrapped collection
 *       is modified.
 *   <li><b>Null-hostility.</b> This collection will never contain a null element.
 *   <li><b>Deterministic iteration.</b> The iteration order is always well-defined, depending on
 *       how the collection was created. Typically this is insertion order unless an explicit

            return null;
        }
    }

    private SSLSocketFactory getSSLSocketFactory(CurlHelper curlHelper) {
        try {
            Field field = CurlHelper.class.getDeclaredField("sslSocketFactory");
            field.setAccessible(true);
            return (SSLSocketFactory) field.get(curlHelper);
        } catch (Exception e) {
            return null;
        }
    }

        }

        @Test
        @DisplayName("Should handle null root cause")
        void testConstructorWithNullRootCause() {
            TransportException exception = new TransportException((Throwable) null);

            assertNotNull(exception);
            assertNull(exception.getRootCause());
        }

        @Test
        @DisplayName("Should handle null message with root cause")

        hostname = "[$hostname]"
      }

      val localPort = socket.localPort
      // Allow null in failure case to allow for testing bad requests
      this.requestUrl = "$scheme://$hostname:$localPort$path".toHttpUrlOrNull()
    } else {
      this.requestUrl = null
      this.method = null
      this.path = null
    }
  }

  @Deprecated(
    message = "Use body.readUtf8()",

    Multimap<K, V> source = getSubjectGenerator().create(mapEntry(k0(), null));
    assertTrue(multimap().putAll(source));
    assertTrue(multimap().containsEntry(k0(), null));
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_KEYS})
  public void testPutAllWithNullKey() {
    Multimap<K, V> source = getSubjectGenerator().create(mapEntry(null, v0()));
    assertTrue(multimap().putAll(source));

# o dbfluteBeansFileName: (NotRequired - Default 'dbfluteBeans.xml')
# o dbfluteBeansDataSourceName: (NotRequired - Default 'dataSource')
# o dbfluteBeansDefaultAttribute: (NotRequired - Default null)
# o isDBFluteBeansGeneratedAsJavaConfig (NotRequired - Default true since 1.1)
#
# {Java} Seasar Only:
# o dbfluteDiconNamespace: (NotRequired - Default 'dbflute')

     */
    public String getInput() {
        return input;
    }

    /**
     * Gets the input value or empty string if null.
     * @return the input value or empty string
     */
    public String getInputValue() {
        if (input == null) {
            return StringUtil.EMPTY;
        }
        return input;
    }

    /**
     * Checks if this item has been updated.

        // Test toSuggestItem when tags and roles are null (converted to empty lists)
        String word = "null tags and roles";
        float boost = 1.0f;
        List<String> readings = Arrays.asList("reading1");
        List<String> fields = Arrays.asList("field1");

        elevateWord = new ElevateWord(word, boost, readings, fields, null, null);
        SuggestItem suggestItem = elevateWord.toSuggestItem();

    initCollectionWithNullElement();
    expectReturnsTrue(disjoint);
    expectContents();
  }

  // retainAll(null)

  /*
   * AbstractCollection fails the retainAll(null) test when the subject
   * collection is empty, but we'd still like to test retainAll(null) when we
   * can. We split the test into empty and non-empty cases. This allows us to
   * suppress only the former.
   */

            clock_seq_low = (byte) _src.dec_ndr_small();
            final int _nodes = 6;
            final int _nodei = _src.index;
            _src.advance(1 * _nodes);

            if (node == null) {
                if (_nodes < 0 || _nodes > 0xFFFF) {
                    throw new NdrException(NdrException.INVALID_CONFORMANCE);
                }
                node = new byte[_nodes];
            }