assertThat(source1.readUtf8(10)).isEqualTo("abcdefghij")
    assertThat(source1.exhausted()).isTrue()
    source1.close()
    assertThat(relay1.isClosed).isTrue()

    // Since relay1 is closed, new sources cannot be created.
    assertThat(relay1.newSource()).isNull()
    val relay2 = read(file)
    assertThat(relay2.metadata()).isEqualTo(metadata)
    val source2 = relay2.newSource()!!.buffer()

   * build multiple bimaps in series. Each bimap is a superset of the bimaps created before it.
   *
   * @since 2.0
   */
  public static final class Builder<K, V> extends ImmutableMap.Builder<K, V> {
    /**
     * Creates a new builder. The returned builder is equivalent to the builder generated by {@link
     * ImmutableBiMap#builder}.
     */

      "index" : {
        "creation_date" : "1509021060038",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "LRohRohXTCGxGdsabXPNnQ",
        "version" : {
          "created" : "6000051"
        },
        "provided_name" : "fess_log.favorite_log"
      }
    }
  }

      "index" : {
        "creation_date" : "1509021049746",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "0xToIxg0R1KjZqA0ynv9PQ",
        "version" : {
          "created" : "6000051"
        },
        "provided_name" : "fess_config.bad_word"
      }
    }
  }

      "index" : {
        "creation_date" : "1509021056434",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "Zrp1Be7PS1ySzKAjlrpICg",
        "version" : {
          "created" : "6000051"
        },
        "provided_name" : "fess_config.request_header"
      }
    }
  }

     * @return a new object created by invoking the constructor
     * @throws InstantiationRuntimeException if the class declaring the constructor is abstract
     * @throws IllegalAccessRuntimeException if the number of actual and formal parameters differ, if primitive arguments cannot be converted, or if the class is related to enums
     * @see Constructor#newInstance(Object[])
     */

  /**
   * Invoked on a background thread after the referent has been garbage collected unless security
   * restrictions prevented starting a background thread, in which case this method is invoked when
   * new references are created.
   */
  void finalizeReferent();

        RestAssured.baseURI = getFessUrl();
        settingTestToken();

        // create and execute a web crawler
        createWebConfig();
        logger.info("WebConfig is created");
        refresh();
        webConfigId = getWebConfigIds(NAME_PREFIX).get(0);

        createJob();
        logger.info("Job is created: {}", webConfigId);
        refresh();

        startJob(NAME_PREFIX);

      "index" : {
        "creation_date" : "1509021053135",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "-gono3d2R0KP5po-ggBr0A",
        "version" : {
          "created" : "6000051"
        },
        "provided_name" : "fess_config.file_authentication"
      }
    }
  }

          }
        },
        "creation_date" : "1509021055215",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "Zylt7BsVRhiOasQfUWBg0w",
        "version" : {
          "created" : "6000051"
        },
        "provided_name" : "fess_config.label_type"
      }
    }
  }