}

  boolean usesValueReferences() {
    return valueStrength != Strength.STRONG;
  }

  enum Strength {
    /*
     * TODO(kevinb): If we strongly reference the value and aren't loading, we needn't wrap the
     * value. This could save ~8 bytes per entry.
     */

    STRONG {
      @Override
      <K, V> ValueReference<K, V> referenceValue(

  The Dormouse had closed its eyes by this time, and was going
off into a doze; but, on being pinched by the Hatter, it woke up
again with a little shriek, and went on:  `--that begins with an
M, such as mouse-traps, and the moon, and memory, and muchness--
you know you say things are "much of a muchness"--did you ever
see such a thing as a drawing of a muchness?'

  `Really, now you ask me,' said Alice, very much confused, `I

computed modulo 2<sup><i>n</i></sup>, where <i>n</i> is the bit width of
the unsigned integer's type.
Loosely speaking, these unsigned integer operations
discard high bits upon overflow, and programs may rely on "wrap around".
</p>

<p>
For signed integers, the operations <code>+</code>,
<code>-</code>, <code>*</code>, <code>/</code>, and <code>&lt;&lt;</code> may legally

2F12          ; mapped                 ; 529B          # 3.0  KANGXI RADICAL POWER
2F13          ; mapped                 ; 52F9          # 3.0  KANGXI RADICAL WRAP
2F14          ; mapped                 ; 5315          # 3.0  KANGXI RADICAL SPOON
2F15          ; mapped                 ; 531A          # 3.0  KANGXI RADICAL RIGHT OPEN BOX