import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.errorprone.annotations.concurrent.GuardedBy;
import java.util.concurrent.Executor;
import java.util.logging.Level;
import javax.annotation.CheckForNull;

/**
 * A support class for {@code ListenableFuture} implementations to manage their listeners. An

 * limitations under the License.
 */

package com.google.common.collect.testing;

import static java.util.Collections.disjoint;
import static java.util.logging.Level.FINER;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.testing.features.ConflictingRequirementsException;
import com.google.common.collect.testing.features.Feature;

import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit tests for {@link Futures}.
 *

import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit tests for {@link Futures}.
 *

import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.io.Closeable;
import java.io.IOException;
import java.lang.reflect.Method;
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

import com.google.common.collect.testing.features.FeatureUtil;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.logging.Logger;
import junit.framework.TestSuite;

/**
 * This builder creates a composite test suite, containing a separate test suite for each {@link

 * limitations under the License.
 */

package com.google.common.collect.testing;

import static java.util.Collections.disjoint;
import static java.util.logging.Level.FINER;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.testing.features.ConflictingRequirementsException;
import com.google.common.collect.testing.features.Feature;

                    // We'd like to log progress and failures that may arise in the
                    // following code, but unfortunately the behavior of logging
                    // is undefined in shutdown hooks.
                    // This is because the logging code installs a shutdown hook of its
                    // own. See Cleaner class inside {@link LogManager}.
                    service.shutdown();

import com.google.common.collect.testing.features.FeatureUtil;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.logging.Logger;
import junit.framework.TestSuite;

/**
 * This builder creates a composite test suite, containing a separate test suite for each {@link

import com.google.common.testing.TestLogHandler;
import java.io.Closeable;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.List;
import java.util.logging.LogRecord;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Tests for {@link Closer}.
 *
 * @author Colin Decker
 */