* New instances are initially empty. Callers must populate with calls
 * to the following methods, in that order:
 *
 * <ul>
 *   <li>{@link #addOutputDirectory(Path, Path, PathModularizationCache)} (optional)</li>
 *   <li>{@link #addDependency(Node, Dependency, Predicate, Path, PathModularizationCache)}</li>
 * </ul>
 *
 * @see DefaultDependencyResolver#resolve(DependencyResolverRequest)
 */

    }

    /**
     * <code>type</code>の原型を返します。
     * <ul>
     * <li><code>type</code>が<code>Class</code>の場合はそのまま返します。</li>
     * <li><code>type</code>がパラメータ化された型の場合はその原型を返します。</li>
     * <li><code>type</code>がワイルドカード型の場合は(最初の)上限境界を返します。</li>
     * <li><code>type</code>が配列の場合はその要素の実際の型の配列を返します。</li>
     * <li>その他の場合は<code>null</code>を返します。</li>
     * </ul>
     *
     * @param type
     *            タイプ

   * rounding mode, if possible.
   *
   * @throws ArithmeticException if
   *     <ul>
   *       <li>{@code x} is infinite or NaN
   *       <li>{@code x} is not a mathematical integer and {@code mode} is {@link
   *           RoundingMode#UNNECESSARY}
   *     </ul>
   */
  // #roundIntermediate, java.lang.Math.getExponent, com.google.common.math.DoubleUtils
  @GwtIncompatible

 * may be equal only if at least one of the bounds is closed:
 *
 * <ul>
 *   <li>{@code [a..a]} : a singleton range
 *   <li>{@code [a..a); (a..a]} : {@linkplain #isEmpty empty} ranges; also valid
 *   <li>{@code (a..a)} : <b>invalid</b>; an exception will be thrown
 * </ul>
 *
 * <h3>Warnings</h3>
 *
 * <ul>
 *   <li>Use immutable value types only, if at all possible. If you must use a mutable type, <b>do

 * map from keys to <i>nonempty</i> collections of values:
 *
 * <ul>
 *   <li>a → 1, 2
 *   <li>b → 3
 * </ul>
 *
 * ... or as a single "flattened" collection of key-value pairs:
 *
 * <ul>
 *   <li>a → 1
 *   <li>a → 2
 *   <li>b → 3
 * </ul>
 *
 * <p><b>Important:</b> although the first interpretation resembles how most multimaps are

 * terms</a>):
 *
 * <ul>
 *   <li>directed graphs
 *   <li>undirected graphs
 *   <li>graphs that do/don't allow parallel edges
 *   <li>graphs that do/don't allow self-loops
 *   <li>graphs whose nodes/edges are insertion-ordered, sorted, or unordered
 *   <li>graphs whose edges are unique objects
 * </ul>
 *
 * <h3>Building a {@code Network}</h3>
 *

 * href="https://github.com/google/guava/wiki/GraphsExplained#definitions">definitions of
 * terms</a>):
 *
 * <ul>
 *   <li>directed graphs
 *   <li>undirected graphs
 *   <li>graphs that do/don't allow self-loops
 *   <li>graphs whose nodes/edges are insertion-ordered, sorted, or unordered
 * </ul>
 *
 * <p>{@code Graph} explicitly does not support parallel edges, and forbids implementations or

 * New instances are initially empty. Callers must populate with calls
 * to the following methods, in that order:
 *
 * <ul>
 *   <li>{@link #addOutputDirectory(Path, Path, PathModularizationCache)} (optional)</li>
 *   <li>{@link #addDependency(Node, Dependency, Predicate, Path, PathModularizationCache)}</li>
 * </ul>
 *
 * @see DefaultDependencyResolver#resolve(DependencyResolverRequest)
 */

 *   <li>Dependency on {@code com.google.common} / Guava.
 * </ul>
 *
 * <p>Advantages compared to {@link com.google.common.collect.ImmutableList ImmutableList}{@code
 * <Integer>}:
 *
 * <ul>
 *   <li>Improved memory compactness and locality
 *   <li>Can be queried without allocating garbage
 * </ul>
 *
 * <p>Disadvantages compared to {@code ImmutableList<Integer>}:
 *
 * <ul>

 *   <li>Dependency on {@code com.google.common} / Guava.
 * </ul>
 *
 * <p>Advantages compared to {@link com.google.common.collect.ImmutableList ImmutableList}{@code
 * <Double>}:
 *
 * <ul>
 *   <li>Improved memory compactness and locality.
 *   <li>Can be queried without allocating garbage.
 * </ul>
 *
 * <p>Disadvantages compared to {@code ImmutableList<Double>}:
 *
 * <ul>