if (ATOMIC_HELPER.casValue(this, null, valueToSet)) {
      complete(this, /*callInterruptTask=*/ false);
      return true;
    }
    return false;
  }

  /**
   * Sets the failed result of this {@code Future} unless this {@code Future} has already been
   * cancelled or set (including {@linkplain #setFuture set asynchronously}). When a call to this

 * (The same goes for the message-accepting overloads.)
 *
 * <h3>Only {@code %s} is supported</h3>
 *
 * <p>{@code Preconditions} uses {@link Strings#lenientFormat} to format error message template
 * strings. This only supports the {@code "%s"} specifier, not the full range of {@link
 * java.util.Formatter} specifiers. However, note that if the number of arguments does not match the

        if (requestLangs != null && requestLangs.length != 0) {
            return normalizeQueryLanguages(requestLangs);
        }

        if (locales == null) {
            return StringUtil.EMPTY_STRINGS;
        }

        return normalizeQueryLanguages(Collections.list(locales).stream().map(locale -> {
            final String language = locale.getLanguage();
            final String country = locale.getCountry();

  }

  public void testAsMapReadsThrough() {
    Set<String> strings = Sets.newLinkedHashSet();
    Collections.addAll(strings, "one", "two", "three");
    Map<String, Integer> map = Maps.asMap(strings, LENGTH_FUNCTION);
    assertEquals(ImmutableMap.of("one", 3, "two", 3, "three", 5), map);
    assertNull(map.get("four"));
    strings.add("four");

  }

  public void testAsMapReadsThrough() {
    Set<String> strings = Sets.newLinkedHashSet();
    Collections.addAll(strings, "one", "two", "three");
    Map<String, Integer> map = Maps.asMap(strings, LENGTH_FUNCTION);
    assertEquals(ImmutableMap.of("one", 3, "two", 3, "three", 5), map);
    assertNull(map.get("four"));
    strings.add("four");

                final int num) {
            this.query = query;
            this.tags = tags;
            this.fields = fields;
            this.num = num;
            this.request = request;
        }

        protected static RequestParameter parse(final HttpServletRequest request) {

 * (The same goes for the message-accepting overloads.)
 *
 * <h3>Only {@code %s} is supported</h3>
 *
 * <p>{@code Preconditions} uses {@link Strings#lenientFormat} to format error message template
 * strings. This only supports the {@code "%s"} specifier, not the full range of {@link
 * java.util.Formatter} specifiers. However, note that if the number of arguments does not match the

        if ( this.treeHandle == null || !this.treeHandle.isConnected() ) {
            if ( this.treeHandle != null && this.transportContext.getConfig().isStrictResourceLifecycle() ) {
                this.treeHandle.release();
            }
            this.treeHandle = this.treeConnection.connectWrapException(this.fileLocator);
            this.treeHandle.ensureDFSResolved();

   * Returns the corresponding wrapper type if this is a primitive type; otherwise returns {@code
   * this} itself. Idempotent.
   *
   * @since 15.0
   */
  public final TypeToken<T> wrap() {
    if (isPrimitive()) {
      @SuppressWarnings("unchecked") // this is a primitive class
      Class<T> type = (Class<T>) runtimeType;
      return of(Primitives.wrap(type));
    }
    return this;
  }