* code.
   *
   * <p><b>Performance note:</b> the instance returned is a singleton.
   */
  // Casting to any type is safe because the list will never hold any elements.
  @SuppressWarnings("unchecked")
  public static <E> ImmutableList<E> of() {
    return (ImmutableList<E>) EMPTY;
  }

  /**

    /** The key of the message: Delete old search logs */
    public static final String LABELS_purge_search_log_day = "{labels.purge_search_log_day}";

    /** The key of the message: Delete old job logs */
    public static final String LABELS_purge_job_log_day = "{labels.purge_job_log_day}";

    /** The key of the message: Delete old user logs */

          assertThat(expected.message!!).startsWith("Certificate pinning failure!")
        }
        else -> throw expected
      }
    }
  }

  /**
   * Not checking the CA bit created a vulnerability in old OkHttp releases. It is exploited by
   * triggering different chains to be discovered by the TLS engine and our chain cleaner. In this
   * attack there's several different chains.
   *
   *

                    return oldItem;
                }
                if (!item.equals(oldItem)) {
                    throw new DictionaryException("StemmerOverride file was updated: old=" + oldItem + " : new=" + item);
                }
                try {
                    if (!item.isDeleted()) {
                        // update
                        writer.write(item.toLineString());

 * it requires that the complete universe of rows and columns be specified at construction time.
 * Second, it is always backed by an array large enough to hold a value for every possible
 * combination of row and column keys. (This is rarely optimal unless the table is extremely dense.)
 * Finally, every possible combination of row and column keys is always considered to have a value

   * CacheLoader#reload}
   * to obtain a future of the new value. If the returned future is already complete, it is returned
   * immediately. Otherwise, the old value is returned.
   *
   * <p><b>Note:</b> <i>all exceptions thrown during refresh will be logged and then swallowed</i>.
   *
   * @param duration the length of time after an entry is created that it should be considered

   * propagate cancellation) and {@link #toString()}. To access the futures' <i>values</i>, {@code
   * AggregateFuture} attaches listeners that hold references to one or more inputs. And in the case
   * of {@link CombinedFuture}, the user-supplied callback usually has its own references to inputs.
   */
  /*

          .isEqualTo(i + shift2);
    }
    assertThat(CacheTesting.expirationQueueSize(cache)).isEqualTo(10);
    assertThat(removalListener.getCount()).isEqualTo(10); // these are the invalidated ones

    // old timeouts must expire after this wait
    ticker.advance(ttl * 2 / 3, MILLISECONDS);

    assertThat(CacheTesting.expirationQueueSize(cache)).isEqualTo(10);
    assertThat(removalListener.getCount()).isEqualTo(10);

                this.dcListExpiration = now + this.netbiosCacheTimeout * 1000L;
                if (list != null && list.length > 0) {
                    this.dcList = list;
                } else { /* keep using the old list */
                    this.dcListExpiration = now + 1000 * 60 * 15; /* 15 min */
                    log.warn("Failed to retrieve DC list from WINS");
                }
            }

  // Mutators

  /** Removes all mappings from the table. */
  void clear();

  /**
   * Associates the specified value with the specified keys. If the table already contained a
   * mapping for those keys, the old value is replaced with the specified value.
   *
   * @param rowKey row key that the value should be associated with
   * @param columnKey column key that the value should be associated with