assertEquals(HashMultiset.create(), multimap.keys());
    assertEquals(emptySet(), multimap.keySet());
    assertEquals(0, multimap.size());
    assertTrue(multimap.values().isEmpty());
    assertEquals("{}", multimap.toString());
  }

  public void testEmptyMultimapWrites() {
    Multimap<String, Integer> multimap = ImmutableSetMultimap.of();
    UnmodifiableCollectionTests.assertMultimapIsUnmodifiable(multimap, "foo", 1);
  }

    /**
     * Returns a string representation of this character mapping file.
     *
     * @return a string containing the path, mapping items, and ID of this file
     */
    @Override
    public String toString() {
        return "MappingFile [path=" + path + ", mappingItemList=" + mappingItemList + ", id=" + id + "]";
    }

    /**
     * Inner class for handling updates to the character mapping file.

   *
   * Since OkHttp 5 this redacts these sensitive headers:
   *
   *  * `Authorization`
   *  * `Cookie`
   *  * `Proxy-Authorization`
   *  * `Set-Cookie`
   */
  override fun toString(): String = commonToString()

  fun toMultimap(): Map<String, List<String>> {
    val result = TreeMap<String, MutableList<String>>(String.CASE_INSENSITIVE_ORDER)
    for (i in 0 until size) {

            crawlerThread.setClientFactory(clientFactory);
            threads[i] =
                    new Thread(crawlerThreadGroup, crawlerThread, "Crawler-" + crawlerContext.sessionId + "-" + Integer.toString(i + 1));
            threads[i].setDaemon(daemon);
            threads[i].setPriority(threadPriority);
        }

        // run
        crawlerContext.setStatus(CrawlerStatus.RUNNING);

                        buf.append(map.get(Constants.ITEM_LABEL));
                        break;
                    }
                }
            }
        }
        return buf.toString();
    }

    /**
     * Creates a paging query.
     * @param form The search form.
     */
    protected void createPagingQuery(final SearchForm form) {

            final StringBuilder buf = new StringBuilder(100);
            for (final String value : list) {
                buf.append(value).append("\n");
            }
            return buf.toString();
        }

    }

    /**
     * Sets the working directory for command execution.
     * @param workingDirectory The working directory.
     */

        CharMappingItem item = new CharMappingItem(1L, inputs, "output");
        item.setNewInputs(new String[] { "x", "y" });
        item.setNewOutput("newOutput");

        String str = item.toString();
        assertTrue(str.contains("id=1"));
        assertTrue(str.contains("inputs=[a, b]"));
        assertTrue(str.contains("output=output"));
        assertTrue(str.contains("newInputs=[x, y]"));

        for (int i = 0; i < 1000; i++) {
            longMessageBuilder.append("Query segment ").append(i).append("; ");
        }
        final String longMessage = longMessageBuilder.toString();
        final VaMessenger<FessMessages> messageCode = messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY);

        // Execute

          versionMatcher.describeTo(description)
          description.appendText(" expected to fail with exception that ")
          failureMatcher.describeTo(description)

          fail<Any>(description.toString())
        }
      }
    }

    fun isConscrypt() = getPlatformSystemProperty() == CONSCRYPT_PROPERTY

    fun isJdk9() = getPlatformSystemProperty() == JDK9_PROPERTY

        return result + byteN
      }
    }
  }

  /** Read a value as bytes without interpretation of its contents. */
  fun readUnknown(): ByteString = source.readByteString(bytesLeft)

  override fun toString(): String = path.joinToString(separator = " / ")

  companion object {
    /**
     * A synthetic value that indicates there's no more bytes. Values with equivalent data may also