/**
   * Compares the specified object with this instance for equality. Returns {@code true} if the
   * given object is also a {@code MapDifference} and the values returned by the {@link
   * #entriesOnlyOnLeft()}, {@link #entriesOnlyOnRight()}, {@link #entriesInCommon()} and {@link
   * #entriesDiffering()} of the two instances are equal.
   */
  @Override
  boolean equals(@CheckForNull Object object);

  /**

 * multiple sub-contexts using different credentials (if necessary).
 * 
 * {@link #withDefaultCredentials()}, {@link #withAnonymousCredentials()}, {@link #withCredentials(Credentials)}
 * allow to create such sub-contexts.
 * 
 * 
 * Implementors of this interface should extend {@link jcifs.context.BaseContext} or
 * {@link jcifs.context.CIFSContextWrapper} to get forward compatibility.
 * 
 * @author mbechler
 *
 */

import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link NavigableSet} whose contents will never change, with many other important properties
 * detailed at {@link ImmutableCollection}.
 *
 * <p><b>Warning:</b> as with any sorted collection, you are strongly advised not to use a {@link
 * Comparator} or {@link Comparable} type whose comparison behavior is <i>inconsistent with

     */
    boolean isTopProject();

    /**
     * Returns a boolean indicating if the project is a root project,
     * meaning that the {@link #getRootDirectory()} and {@link #getBasedir()}
     * points to the same directory, and that either {@link Model#isRoot()}
     * is {@code true} or that {@code basedir} contains a {@code .mvn} child
     * directory.
     *

    boolean isParameterized();

    /**
     * メソッドの引数型を表現する{@link ParameterizedClassDesc}の配列を返します。
     *
     * @return メソッドの引数型を表現する{@link ParameterizedClassDesc}の配列
     */
    ParameterizedClassDesc[] getParameterizedClassDescs();

    /**
     * メソッドの戻り値型を表現する{@link ParameterizedClassDesc}を返します。
     *
     * @return メソッドの戻り値型を表現する{@link ParameterizedClassDesc}
     */

 * implementation for the {@link #put} and {@link #getIfPresent} methods. {@link #getAllPresent} is
 * implemented in terms of {@link #getIfPresent}; {@link #putAll} is implemented in terms of {@link
 * #put}, {@link #invalidateAll(Iterable)} is implemented in terms of {@link #invalidate}. The
 * method {@link #cleanUp} is a no-op. All other methods throw an {@link
 * UnsupportedOperationException}.
 *
 * @author Charles Fry

 * (method {@link #add}) are contended across threads, the set of variables may grow dynamically to
 * reduce contention. Method {@link #sum} (or, equivalently, {@link #longValue}) returns the current
 * total combined across the variables maintaining the sum.
 *
 * <p>This class is usually preferable to {@link AtomicLong} when multiple threads update a common

 * (method {@link #add}) are contended across threads, the set of variables may grow dynamically to
 * reduce contention. Method {@link #sum} (or, equivalently, {@link #longValue}) returns the current
 * total combined across the variables maintaining the sum.
 *
 * <p>This class is usually preferable to {@link AtomicLong} when multiple threads update a common

  protected abstract void shutDown() throws Exception;

  /**
   * Returns the {@link Executor} that will be used to run this service. Subclasses may override
   * this method to use a custom {@link Executor}, which may configure its worker thread with a
   * specific name, thread group or priority. The returned executor's {@link
   * Executor#execute(Runnable) execute()} method is called when this service is started and

import org.codelibs.core.exception.IORuntimeException;

/**
 * {@link OutputStream}用のユーティリティクラスです。
 *
 * @author shot
 */
public abstract class OutputStreamUtil {

    /**
     * {@link FileOutputStream}を作成します。
     *
     * @param file
     *            ファイル。{@literal null}であってはいけません
     * @return ファイルへ出力する{@link FileOutputStream}
     * @see FileOutputStream#FileOutputStream(File)
     */