package com.google.common.collect;

import com.google.common.testing.AbstractPackageSanityTests;
import org.jspecify.annotations.NullUnmarked;

/**
 * Covers basic sanity checks for the entire package.
 *
 * @author Ben Yu
 */

@NullUnmarked
public class PackageSanityTests extends AbstractPackageSanityTests {
  public PackageSanityTests() {
    publicApiOnly(); // Many package-private classes are tested through the public API.

modified object code on the User Product (for example, the work has
been installed in ROM).

  The requirement to provide Installation Information does not include a
requirement to continue to provide support service, warranty, or updates
for a work that has been modified or installed by the recipient, or for
the User Product in which it has been modified or installed.  Access to a

import static com.google.common.base.Preconditions.checkArgument;

import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;

/**
 * Captures the actual type of {@code T}.
 *
 * @author Ben Yu
 */
abstract class TypeCapture<T> {

  /** Returns the captured type. */
  final Type capture() {
    Type superclass = getClass().getGenericSuperclass();

 * indicates the last time the Sitemap file was modified.  The {@code lastmod} attribute is used by crawlers
 * to incrementally fetch sitemaps that have been updated since a certain date.
 * </p>
 *
 * <p>
 * This class also provides implementations for {@code equals}, {@code hashCode}, and {@code toString} methods
 * to facilitate object comparison and representation.
 * </p>

            "The parameter is incorrect.", "Too many Uids active on this session.",
            "The Uid is not known as a valid user identifier on this session.", "The pipe has been ended.",
            "The filename, directory name, or volume label syntax is incorrect.", "The directory is not empty.",

            "The parameter is incorrect.", "Too many Uids active on this session.",
            "The Uid is not known as a valid user identifier on this session.", "The pipe has been ended.",
            "The filename, directory name, or volume label syntax is incorrect.", "The directory is not empty.",

    // Play it back.
    val connection = connect(peer)
    connection.writePingAndAwaitPong() // Make sure settings have been acked.
    val stream = connection.newStream(headerEntries("b", "banana"), true)
    connection.writePingAndAwaitPong() // Make sure the window update has been received.
    val sink = stream.sink
    stream.writeTimeout().timeout(500, TimeUnit.MILLISECONDS)

     */
    @Nonnull
    Collection<Profile> getProfiles();

    /**
     * List of profile ids that have been explicitly activated by the user.
     */
    @Nonnull
    List<String> getActiveProfileIds();

    /**
     * List of profile ids that have been explicitly deactivated by the user.
     */
    @Nonnull
    List<String> getInactiveProfileIds();

    /**

   * linefeed ({@code "\r\n"}).
   *
   * @return a {@code String} containing the contents of the line, not including any
   *     line-termination characters, or {@code null} if the end of the stream has been reached.
   * @throws IOException if an I/O error occurs
   */
  @CanIgnoreReturnValue // to skip a line
  public @Nullable String readLine() throws IOException {
    while (lines.peek() == null) {

import com.google.common.testing.RelationshipTester.ItemReporter;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link RelationshipTester}.
 *
 * @author Ben Yu
 */
@NullUnmarked
public class RelationshipTesterTest extends TestCase {
  public void testNulls() {
    new ClassSanityTester()
        .setDefault(ItemReporter.class, /* itemReporter */ Item::toString)