import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import java.util.RandomAccess;
import java.util.stream.Collector;
import jsinterop.annotations.JsMethod;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * GWT emulated version of {@link com.google.common.collect.ImmutableList}. TODO(cpovirk): more doc
 *
 * @author Hayward Chan
 */
@SuppressWarnings("serial") // we're overriding default serialization

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Sets;
import java.util.Set;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit tests for {@link EqualsTester}.
 *
 * @author Jim McMaster
 */
@GwtCompatible
@SuppressWarnings("MissingTestCall")
public class EqualsTesterTest extends TestCase {

import java.io.Closeable;
import java.io.IOException;
import java.util.ArrayDeque;
import java.util.Deque;
import java.util.logging.Level;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link Closeable} that collects {@code Closeable} resources and closes them all when it is
 * {@linkplain #close closed}. This was intended to approximately emulate the behavior of Java 7's

import com.google.common.base.Function;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.RandomAccess;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Static methods pertaining to sorted {@link List} instances.
 *
 * <p>In this documentation, the terms <i>greatest</i>, <i>greater</i>, <i>least</i>, and

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map.Entry;
import java.util.Set;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A series of tests that support asserting that collections cannot be modified, either through
 * direct or indirect means.
 *
 * @author Robert Konigsberg
 */
@GwtCompatible

import java.io.Closeable;
import java.io.IOException;
import java.util.ArrayDeque;
import java.util.Deque;
import java.util.logging.Level;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link Closeable} that collects {@code Closeable} resources and closes them all when it is
 * {@linkplain #close closed}. This was intended to approximately emulate the behavior of Java 7's

import java.security.Key;
import java.util.Arrays;
import javax.crypto.Mac;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;
import sun.security.jca.ProviderList;
import sun.security.jca.Providers;

/**
 * Tests for the MacHashFunction.
 *
 * @author Kurt Alfred Kluever
 */

import java.util.List;
import java.util.Set;
import java.util.SortedSet;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit test for {@link TreeMultiset}.
 *
 * @author Neal Kanodia
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class TreeMultisetTest extends TestCase {

E porque é uma exceção do Python, você não **retorna** (return) o `HTTPException`, você lança o (raise) no seu código.

import java.util.LinkedHashSet;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.checkerframework.checker.nullness.qual.Nullable;

@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class Helpers {
  // Clone of Objects.equal
  static boolean equal(@Nullable Object a, @Nullable Object b) {