* that conversion is safe.
   *
   * <p>This method is intended to help with usages of type parameters that have {@linkplain
   * ParametricNullness parametric nullness}. If a type parameter instead ranges over only non-null
   * types (or if the type is a non-variable type, like {@code String}), then code should almost

import java.util.Arrays;
import java.util.Collection;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

/** Tests for a directed {@link StandardMutableGraph}. */
@AndroidIncompatible
@RunWith(Parameterized.class)
public final class StandardImmutableDirectedGraphTest extends AbstractStandardDirectedGraphTest {

import java.util.Collection;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

@AndroidIncompatible
// TODO(cpovirk): Figure out Android JUnit 4 support. Does it work with Gingerbread? @RunWith?
@RunWith(Parameterized.class)
public final class NetworkEquivalenceTest {
  private static final Integer N1 = 1;

import java.util.Map;
import java.util.Properties;

import org.junit.Assume;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;
import jcifs.SmbResource;
import jcifs.config.PropertyConfiguration;

import java.util.Arrays;
import java.util.Collection;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

/** Tests for a directed {@link StandardMutableGraph}. */
@AndroidIncompatible
@RunWith(Parameterized.class)
public final class StandardMutableDirectedGraphTest extends AbstractStandardDirectedGraphTest {

import java.util.Collection;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

@AndroidIncompatible
// TODO(cpovirk): Figure out Android JUnit 4 support. Does it work with Gingerbread? @RunWith?
@RunWith(Parameterized.class)
public final class GraphEquivalenceTest {
  private static final Integer N1 = 1;

import java.net.UnknownHostException;
import java.util.Collection;
import java.util.Map;

import org.junit.Assume;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

import jcifs.CIFSContext;
import jcifs.SmbConstants;
import jcifs.SmbSession;
import jcifs.internal.smb1.com.SmbComClose;
import jcifs.internal.smb1.com.SmbComNTCreateAndX;

import java.util.Arrays;
import java.util.Collection;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

/** Tests for an undirected {@link StandardMutableGraph}. */
@AndroidIncompatible
@RunWith(Parameterized.class)
public final class StandardImmutableUndirectedGraphTest
    extends AbstractStandardUndirectedGraphTest {

import java.util.Arrays;
import java.util.Collection;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

/** Tests for an undirected {@link StandardMutableNetwork}. */
@AndroidIncompatible
@RunWith(Parameterized.class)
public final class StandardMutableUndirectedNetworkTest
    extends AbstractStandardUndirectedNetworkTest {

import java.util.Arrays;
import java.util.Collection;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

/** Tests for a directed {@link StandardMutableNetwork} allowing self-loops. */
@AndroidIncompatible
@RunWith(Parameterized.class)
public class StandardMutableDirectedNetworkTest extends AbstractStandardDirectedNetworkTest {