import org.jspecify.annotations.NullMarked;

/**
 * A skeleton generator for a {@code ListMultimap} implementation.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public abstract class TestStringListMultimapGenerator
    implements TestListMultimapGenerator<String, String> {

  @Override
  public SampleElements<Entry<String, String>> samples() {
    return new SampleElements<>(
        mapEntry("one", "January"),

import org.jspecify.annotations.NullMarked;

/**
 * A skeleton generator for a {@code ListMultimap} implementation.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public abstract class TestStringListMultimapGenerator
    implements TestListMultimapGenerator<String, String> {

  @Override
  public SampleElements<Entry<String, String>> samples() {
    return new SampleElements<>(
        mapEntry("one", "January"),

import com.google.common.collect.testing.features.MapFeature;
import com.google.common.collect.testing.google.ListMultimapTestSuiteBuilder;
import com.google.common.collect.testing.google.TestStringListMultimapGenerator;
import java.util.ConcurrentModificationException;
import java.util.List;
import java.util.Map.Entry;
import java.util.RandomAccess;
import junit.framework.Test;
import junit.framework.TestCase;

import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.google.ListMultimapTestSuiteBuilder;
import com.google.common.collect.testing.google.TestStringListMultimapGenerator;
import com.google.common.collect.testing.google.UnmodifiableCollectionTests;
import com.google.common.testing.EqualsTester;
import com.google.common.testing.NullPointerTester;

import com.google.common.collect.testing.features.MapFeature;
import com.google.common.collect.testing.google.ListMultimapTestSuiteBuilder;
import com.google.common.collect.testing.google.TestStringListMultimapGenerator;
import com.google.common.testing.EqualsTester;
import com.google.common.testing.NullPointerTester;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;

import com.google.common.collect.testing.google.TestMultimapGenerator;
import com.google.common.collect.testing.google.TestSetMultimapGenerator;
import com.google.common.collect.testing.google.TestStringListMultimapGenerator;
import com.google.common.collect.testing.google.TestStringMultisetGenerator;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.HashMap;