* times, due to numerical errors.
   *
   * <h3>Non-finite values</h3>
   *
   * <p>If the dataset contains any non-finite values ({@link Double#POSITIVE_INFINITY}, {@link
   * Double#NEGATIVE_INFINITY}, or {@link Double#NaN}) then the result is {@link Double#NaN}.
   *
   * @throws IllegalStateException if the dataset is empty
   */
  public double populationCovariance() {
    checkState(count() != 0);

  }

  /**
   * Returns a serializable converter object that converts between strings and integers using {@link
   * Integer#decode} and {@link Integer#toString()}. The returned converter throws {@link
   * NumberFormatException} if the input string is invalid.
   *
   * <p><b>Warning:</b> please see {@link Integer#decode} to understand exactly how strings are

 * desugaring.
 */
@IgnoreJRERequirement
public final class Streams {
  /**
   * Returns a sequential {@link Stream} of the contents of {@code iterable}, delegating to {@link
   * Collection#stream} if possible.
   */
  public static <T extends @Nullable Object> Stream<T> stream(Iterable<T> iterable) {
    return (iterable instanceof Collection)

    }

    /**
     * {@link Class}オブジェクトが表すクラスまたはインタフェースの指定されたコンストラクタをリフレクトする
     * {@link Constructor}オブジェクトを返します。
     *
     * @param <T>
     *            {@link Class}オブジェクトが表すクラス
     * @param clazz
     *            クラスの{@link Class}オブジェクト。{@literal null}であってはいけません
     * @param argTypes
     *            パラメータ配列
     * @return 指定された{@code argTypes}と一致するコンストラクタの{@link Constructor}オブジェクト

    * **🐩-⚓️**: ⚓️ 🔛 (&amp; 🍕 🔗 ⏮️) 📂 🐩 🔗: <a href="https://github.com/OAI/OpenAPI-Specification" class="external-link" target="_blank">🗄</a> &amp; <a href="https://json-schema.org/" class="external-link" target="_blank">🎻 🔗</a>.
    * <a href="https://fastapi.tiangolo.com/features/" class="external-link" target="_blank">**📚 🎏 ⚒**</a> 🔌 🏧 🔬, 🛠️, 🎓 🧾, 🤝 ⏮️ Oauth2️⃣ 🥙 🤝, ♒️.
* **🔐 🔐** 🔁 🔢.
* **🥙 🤝** 🤝.

  /**
   * 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);

  /**

import org.codelibs.core.beans.impl.BeanDescImpl;
import org.codelibs.core.misc.DisposableUtil;

/**
 * {@link BeanDesc}を生成するクラスです。
 * <p>
 * 指定されたJavaBeansのメタデータを扱う{@link BeanDesc}を返します。
 * </p>
 *
 * <pre>
 * BeanDesc beanDesc = BeanDescFactory.getBeanDesc(Foo.class);
 * </pre>
 * <p>
 * {@link BeanDesc}はキャッシュされます。 キャッシュをクリアするには{@link DisposableUtil#dispose()}
 * を呼び出してください。
 * </p>
 *
 * @author higa
 * @see BeanDesc

import javax.annotation.CheckForNull;

/**
 * {@link Error} variant of {@link java.util.concurrent.ExecutionException}. As with {@code
 * ExecutionException}, the error's {@linkplain #getCause() cause} comes from a failed task,
 * possibly run in another thread. That cause should itself be an {@code Error}; if not, use {@code
 * ExecutionException} or {@link UncheckedExecutionException}. This allows the client code to

 * by supplied comparators. In all cases, this implementation uses {@link Comparable#compareTo} or
 * {@link Comparator#compare} instead of {@link Object#equals} to determine equivalence of
 * instances.
 *
 * <p><b>Warning:</b> The comparators or comparables used must be <i>consistent with equals</i> as
 * explained by the {@link Comparable} class specification. Otherwise, the resulting multiset will

    List<Entry<K, V>> expectedWithDuplicateRemoved = asList(entries).subList(1, getNumElements());
    expectContents(expectedWithDuplicateRemoved);
  }

  /**
   * Returns the {@link Method} instance for {@link #testCreateWithNullKeyUnsupported()} so that
   * tests can suppress it with {@code FeatureSpecificTestSuiteBuilder.suppressing()} until <a