}

  /**
   * Determines whether a character is whitespace according to the latest Unicode standard, as
   * illustrated <a
   * href="http://unicode.org/cldr/utility/list-unicodeset.jsp?a=%5Cp%7Bwhitespace%7D">here</a>.
   * This is not the same definition used by other Java APIs. (See a <a
   * href="https://goo.gl/Y6SLWx">comparison of several definitions of "whitespace"</a>.)
   *

              return EMPTY_STATS;
            }
          });
  static final CacheStats EMPTY_STATS = new CacheStats(0, 0, 0, 0, 0, 0);

  /*
   * We avoid using a method reference or lambda here for now:
   *
   * - method reference: Inside Google, CacheBuilder is used from the implementation of a custom
   *   ClassLoader that is sometimes used as a system classloader. That's a problem because

   *     List.class.getMethod("get", int.class).getGenericReturnType())
   * => String.class
   * }</pre>
   */
  public final TypeToken<?> resolveType(Type type) {
    checkNotNull(type);
    // Being conservative here because the user could use resolveType() to resolve a type in an
    // invariant context.
    return of(getInvariantTypeResolver().resolveType(type));
  }

  private TypeToken<?> resolveSupertype(Type type) {

   * The elements in this map would pass the UNDER test, but are known not to be public suffixes and
   * are thus excluded from consideration. Since it refers to elements in UNDER of the same type,
   * the type is actually not important here. The map is simply used for consistency reasons.
   */
  public static final ImmutableMap<String, PublicSuffixType> EXCLUDED =
      TrieParser.parseTrie(

    TypeToken<List<String>> b = new TypeToken<List<String>>() {};
    assertEquals(a, b);
  }

  public <T> void testVariableTypeTokenNotAllowed() {
    /*
     * We'd use assertThrows here, but that causes no exception to be thrown under Java 8,
     * presumably because the ThrowingRunnable lambda triggers some kind of bug in Java 8's
     * reflection implementation.
     */
    try {