return null;
        }

        /**
         * @return String
         */
        public String getEee() {
            return null;
        }

        /**
         * @param eee
         *            eee
         */
        public void setEee(final String eee) {
        }
    }

            return null;
        }

        /**
         * @return String
         */
        public String getEee() {
            return null;
        }

        /**
         * @param eee
         */
        public void setEee(final String eee) {
        }

        /**
         * @return int
         */
        public int getFff() {
            return fff_;

            return null;
        }

        /**
         * @return String
         */
        public String getEee() {
            return eee;
        }

        /**
         * @param eee
         */
        public void setEee(final String eee) {
            this.eee = eee;
        }

        /**
         * @return Boolean
         */

        for (O option : options) {
            Optional<T> o = getter.apply(option);
            if (o.isPresent()) {
                return o;
            }
        }
        return Optional.empty();
    }

    protected Optional<List<String>> collectListIfPresentOrEmpty(Function<O, Optional<List<String>>> getter) {
        int had = 0;

                // Resource object has been garbage collected but not closed
                reportLeak(holder);
                activeResources.remove(entry.getKey());
                cleaned++;
            } else if (!holder.closed && holder.getAge() > maxResourceAge * 2) {
                // Very old unclosed resource - attempt to close it
                AutoCloseable resource = holder.resourceRef.get();

        ntlmConnection.disconnect();

        // Assert
        verify(mockConnection).disconnect();
        // Connection should be closed after disconnect
    }

    /**
     * Test simple getter methods that should trigger the handshake.
     * We mock a simple 200 OK response to test the handshake is called.
     * @throws IOException
     */
    @Test
    void testGettersTriggerHandshake() throws IOException {

    for (ListIterator<Entry<K, V>> i = expected.listIterator(); i.hasNext(); ) {
      if (Helpers.equal(i.next().getKey(), newEntry.getKey())) {
        i.set(newEntry);
        return;
      }
    }

    throw new IllegalArgumentException(
        Platform.format("key %s not found in entries %s", newEntry.getKey(), expected));
  }

  /**

        }

        @Test
        @DisplayName("Should get and set key")
        void testKey() {
            assertNull(referralData.getKey());
            referralData.setKey("cache-key-123");
            assertEquals("cache-key-123", referralData.getKey());
        }

        @Test
        @DisplayName("Should get server")
        void testGetServer() {
            assertNull(referralData.getServer());

    assertEquals(c.getKey(), navigableMap.lastKey());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testHeadMapExclusive() {
    assertFalse(navigableMap.headMap(a.getKey()).containsKey(a.getKey()));
  }

  @CollectionSize.Require(absent = ZERO)
  public void testTailMapInclusive() {
    assertTrue(navigableMap.tailMap(a.getKey()).containsKey(a.getKey()));
  }

  public void testHeadMap() {

    resetWithHole();
    assertEquals(a, navigableMap.floorEntry(a.getKey()));
    assertEquals(a.getKey(), navigableMap.floorKey(a.getKey()));
    assertEquals(a, navigableMap.floorEntry(b.getKey()));
    assertEquals(a.getKey(), navigableMap.floorKey(b.getKey()));
    assertEquals(c, navigableMap.floorEntry(c.getKey()));
    assertEquals(c.getKey(), navigableMap.floorKey(c.getKey()));
  }

  @CollectionSize.Require(SEVERAL)