V value = entry.getValue();
      if (value == null) {
        tryDrainReferenceQueues();
        return null;
      }

      return value;
    }

    /**
     * Performs routine cleanup following a read. Normally cleanup happens during writes, or from
     * the cleanupExecutor. If cleanup is not observed after a sufficient number of reads, try
     * cleaning up from the read thread.
     */

          table.set(index, newFirst);
          this.count = newCount; // write-volatile
          return true;
        }
      }

      return false;
    }

    /**
     * Performs routine cleanup following a read. Normally cleanup happens during writes. If cleanup
     * is not observed after a sufficient number of reads, try cleaning up from the read thread.
     */
    void postReadCleanup() {

   * does).
   *
   * <p>Entries with keys that have been garbage collected may be counted in {@link Cache#size}, but
   * will never be visible to read or write operations; such entries are cleaned up as part of the
   * routine maintenance described in the class javadoc.
   *
   * @return this {@code CacheBuilder} instance (for chaining)
   * @throws IllegalStateException if the key strength was already set
   */

          table.set(index, newFirst);
          this.count = newCount; // write-volatile
          return true;
        }
      }

      return false;
    }

    /**
     * Performs routine cleanup following a read. Normally cleanup happens during writes. If cleanup
     * is not observed after a sufficient number of reads, try cleaning up from the read thread.
     */
    void postReadCleanup() {

   * does).
   *
   * <p>Entries with keys that have been garbage collected may be counted in {@link Cache#size}, but
   * will never be visible to read or write operations; such entries are cleaned up as part of the
   * routine maintenance described in the class javadoc.
   *
   * @return this {@code CacheBuilder} instance (for chaining)
   * @throws IllegalStateException if the key strength was already set
   */

            throw new UnknownHostException(name.name);
        }

        /*
         * If a target address to query was not specified explicitly
         * with the addr parameter we fall into this resolveOrder routine.
         */

        for ( ResolverType resolverType : this.resolveOrder ) {
            try {
                switch ( resolverType ) {
                case RESOLVER_LMHOSTS:

            char[] in = url.getPath().toCharArray();
            char[] out = new char[in.length];
            int length = in.length, i, o, state, s;

                              /* The canonicalization routine
                               */
            state = 0;
            o = 0;
            for( i = 0; i < length; i++ ) {
                switch( state ) {
                    case 0: