import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * An implementation of {@link GraphConnections} for undirected graphs.
 *
 * @author James Sexton
 * @param <N> Node parameter type
 * @param <V> Value parameter type
 */
final class UndirectedGraphConnections<N, V> implements GraphConnections<N, V> {

import com.google.common.annotations.J2ktIncompatible;
import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;
import org.jspecify.annotations.Nullable;

/**
 * An {@link InputStream} that concatenates multiple substreams. At most one stream will be open at
 * a time.
 *
 * @author Chris Nokleberg
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible

import java.io.Serializable;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link SerializableTester}.
 *
 * @author Nick Kralevich
 */
@NullUnmarked
public class SerializableTesterTest extends TestCase {
  public void testStringAssertions() {
    String original = "hello world";

import com.google.common.base.Predicate;
import java.util.Map.Entry;
import java.util.Objects;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link Multimaps} filtering methods.
 *
 * @author Jared Levy
 */
@GwtIncompatible // nottested
@NullUnmarked
public class FilteredMultimapTest extends TestCase {

import com.google.common.collect.Multiset.Entry;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link Multisets#immutableEntry}.
 *
 * @author Mike Bostock
 */
@GwtCompatible
@NullMarked
public class MultisetsImmutableEntryTest extends TestCase {
  private static final @Nullable String NE = null;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link FakeTimeLimiter}.
 *
 * @author Jens Nyman
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class FakeTimeLimiterTest extends TestCase {

  private static final int DELAY_MS = 50;

        int count = 0;
        for (final String s : iterable(vector.elements())) {
            ++count;
        }
        assertThat(count, is(2));
    }

    /**
     * Test method for
     * {@link org.codelibs.core.collection.EnumerationIterator#EnumerationIterator(Enumeration)}
     * .
     */
    @Test
    public void testCopyDestNull() {
        exception.expect(NullArgumentException.class);

import org.apache.maven.artifact.resolver.ArtifactResolutionException;
import org.apache.maven.profiles.ProfileManager;
import org.apache.maven.wagon.events.TransferListener;

/**
 * @deprecated use {@link ProjectBuilder} instead
 */
@Deprecated
public interface MavenProjectBuilder {

    MavenProject build(File pom, ProjectBuilderConfiguration configuration) throws ProjectBuildingException;

import org.apache.maven.api.Service;
import org.apache.maven.api.Session;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Service used to create {@link ArtifactCoordinates} objects.
 *
 * @since 4.0.0
 */
@Experimental
public interface ArtifactCoordinatesFactory extends Service {

    /**
     * Creates artifact coordinates.
     *

 */
package org.apache.maven.settings.building;

import java.io.File;
import java.util.Properties;

/**
 * Collects settings that control building of effective settings.
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services.SettingsBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class DefaultSettingsBuildingRequest implements SettingsBuildingRequest {

    private File globalSettingsFile;