// https://www.iana.org/domains/root/db/hkt.html
hkt

// hockey : Binky Moon, LLC
// https://www.iana.org/domains/root/db/hockey.html
hockey

// holdings : Binky Moon, LLC
// https://www.iana.org/domains/root/db/holdings.html
holdings

// holiday : Binky Moon, LLC
// https://www.iana.org/domains/root/db/holiday.html
holiday

// homedepot : Home Depot Product Authority, LLC

hobby-site.com
hobby-site.org
hobol.no
hobøl.no
hockey
hof.no
hofu.yamaguchi.jp
hokkaido.jp
hokksund.no
hokuryu.hokkaido.jp
hokuto.hokkaido.jp
hokuto.yamanashi.jp
hol.no
holdings
hole.no
holiday
holmestrand.no
holtalen.no
holtålen.no
holy.jp
home-webserver.de
home.arpa
home.dyndns.org
homebuilt.aero
homedepot
homedns.org
homeftp.net

hobby-site.com
hobby-site.org
hobol.no
hobøl.no
hockey
hof.no
hofu.yamaguchi.jp
hokkaido.jp
hokksund.no
hokuryu.hokkaido.jp
hokuto.hokkaido.jp
hokuto.yamanashi.jp
hol.no
holdings
hole.no
holiday
holmestrand.no
holtalen.no
holtålen.no
holy.jp
home-webserver.de
home.arpa
home.dyndns.org
homebuilt.aero
homedepot
homedns.org
homeftp.net

 *   <li>It is easy for the user to ensure that listeners are never invoked while holding locks.
 * </ul>
 *
 * The last point is subtle. Often the observable object will be managing its own internal state
 * using a lock, however it is dangerous to dispatch listeners while holding a lock because they
 * might run on the {@code directExecutor()} or be otherwise re-entrant (call back into your

        VALUE_OFFSET = UNSAFE.objectFieldOffset(ak.getDeclaredField("value"));
      } catch (Exception e) {
        throw new Error(e);
      }
    }
  }

  /**
   * ThreadLocal holding a single-slot int array holding hash code. Unlike the JDK8 version of this
   * class, we use a suboptimal int[] representation to avoid introducing a new type that can impede
   * class-unloading when ThreadLocals are not removed.
   */

        }
        return toReturn;
      }

      @GuardedBy("lock")
      /*
       * The GuardedBy checker warns us that we're not holding cancellationDelegate.lock. But in
       * fact we are holding it because it is the same as this.lock, which we know we are holding,
       * thanks to @GuardedBy above. (cancellationDelegate.lock is initialized to this.lock in the
       * call to `new SupplantableFuture` below.)
       */

        }
        return toReturn;
      }

      @GuardedBy("lock")
      /*
       * The GuardedBy checker warns us that we're not holding cancellationDelegate.lock. But in
       * fact we are holding it because it is the same as this.lock, which we know we are holding,
       * thanks to @GuardedBy above. (cancellationDelegate.lock is initialized to this.lock in the
       * call to `new SupplantableFuture` below.)
       */

        "value (%s) is outside the range for an unsigned integer value",
        value);
    return fromIntBits(value.intValue());
  }

  /**
   * Returns an {@code UnsignedInteger} holding the value of the specified {@code String}, parsed as
   * an unsigned {@code int} value.
   *
   * @throws NumberFormatException if the string does not contain a parsable unsigned {@code int}
   *     value
   */

        "value (%s) is outside the range for an unsigned long value",
        value);
    return fromLongBits(value.longValue());
  }

  /**
   * Returns an {@code UnsignedLong} holding the value of the specified {@code String}, parsed as an
   * unsigned {@code long} value.
   *
   * @throws NumberFormatException if the string does not contain a parsable unsigned {@code long}
   *     value
   */

   * returned future will emulate {@link ListenableFuture#addListener} by taking a thread from an
   * internal, unbounded pool at the first call to {@code addListener} and holding it until the
   * future is {@linkplain Future#isDone() done}.
   *
   * <p>Prefer to create {@code ListenableFuture} instances with {@link SettableFuture}, {@link