for (int i = 0; i < 11; i++) {
      limiter.acquire(); // #7, showing off the warmup starting from totally cold
    }

    // make sure the areas (times) remain the same, while permits are different
    assertEvents(
        "R0.00, R1.38, R1.13, R0.88, R0.63, R0.50, R0.50, R0.50", // #1
        "U4.50", // #2
        "R0.00, R1.38, R1.13", // #3, after that the rate changes

   * failed CAS on base update), the table is initialized to size 2.
   * The table size is doubled upon further contention until
   * reaching the nearest power of two greater than or equal to the
   * number of CPUS. Table slots remain empty (null) until they are
   * needed.
   *
   * A single spinlock ("busy") is used for initializing and
   * resizing the table, as well as populating slots with new Cells.

  /**
   * Returns an encoding that behaves equivalently to this encoding, but encodes and decodes with
   * uppercase letters. Padding and separator characters remain in their original case.
   *
   * @throws IllegalStateException if the alphabet used by this encoding contains mixed upper- and
   *     lower-case characters
   */
  public abstract BaseEncoding upperCase();

   * delegate is non-empty. The {@code refreshIfEmpty}, {@code removeIfEmpty}, and {@code addToMap}
   * methods ensure that the {@code WrappedCollection} and map remain consistent.
   *
   * <p>A subcollection, such as a sublist, contains some of the values for a given key. Its
   * ancestor field points to the full wrapped collection with all values for the key. The

  }

  /**
   * Serialized type for all ImmutableMap instances. It captures the logical contents and they are
   * reconstructed using public factory methods. This ensures that the implementation types remain
   * as implementation details.
   */
  @J2ktIncompatible // serialization
  static class SerializedForm<K, V> implements Serializable {

    for (int i = 0; i < 11; i++) {
      limiter.acquire(); // #7, showing off the warmup starting from totally cold
    }

    // make sure the areas (times) remain the same, while permits are different
    assertEvents(
        "R0.00, R1.38, R1.13, R0.88, R0.63, R0.50, R0.50, R0.50", // #1
        "U4.50", // #2
        "R0.00, R1.38, R1.13", // #3, after that the rate changes

   * failed CAS on base update), the table is initialized to size 2.
   * The table size is doubled upon further contention until
   * reaching the nearest power of two greater than or equal to the
   * number of CPUS. Table slots remain empty (null) until they are
   * needed.
   *
   * A single spinlock ("busy") is used for initializing and
   * resizing the table, as well as populating slots with new Cells.

  }

  /**
   * Serialized type for all ImmutableBiMap instances. It captures the logical contents and they are
   * reconstructed using public factory methods. This ensures that the implementation types remain
   * as implementation details.
   *
   * <p>Since the bimap is immutable, ImmutableBiMap doesn't require special logic for keeping the
   * bimap and its inverse in sync during serialization, the way AbstractBiMap does.

  }

  /**
   * Attempts to skip up to {@code n} bytes from the given input stream, but not more than {@code
   * in.available()} bytes. This prevents {@code FileInputStream} from skipping more bytes than
   * actually remain in the file, something that it {@linkplain java.io.FileInputStream#skip(long)
   * specifies} it can do in its Javadoc despite the fact that it is violating the contract of
   * {@code InputStream.skip()}.
   */

  }

  /**
   * Serialized type for all ImmutableMap instances. It captures the logical contents and they are
   * reconstructed using public factory methods. This ensures that the implementation types remain
   * as implementation details.
   */
  @J2ktIncompatible // serialization
  static class SerializedForm<K, V> implements Serializable {