import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import org.jspecify.annotations.Nullable;

/**
 * Skeleton implementation of {@link HashFunction} in terms of {@link #newHasher()}.
 *
 * <p>TODO(lowasser): make public
 */
@Immutable
abstract class AbstractHashFunction implements HashFunction {
  @Override
  public <T extends @Nullable Object> HashCode hashObject(

    /**
     * The "script" language. Provided for compatibility with Maven 3.
     *
     * @deprecated Use {@link #RESOURCES} instead.
     */
    @Deprecated
    Language SCRIPT = language("script");

    // TODO: this should be moved out from here to Java Support (builtin into core)
    Language JAVA_FAMILY = language("java");

   * <p><b>Performance note:</b> When feasible, {@code initialCapacity} should be the exact number
   * of values that will be added, if that knowledge is readily available. It is better to guess a
   * value slightly too high than slightly too low. If the value is not exact, the {@link
   * ImmutableLongArray} that is built will very likely occupy more memory than strictly necessary;
   * to trim memory usage, build using {@code builder.build().trimmed()}.

   * <p><b>Performance note:</b> When feasible, {@code initialCapacity} should be the exact number
   * of values that will be added, if that knowledge is readily available. It is better to guess a
   * value slightly too high than slightly too low. If the value is not exact, the {@link
   * ImmutableIntArray} that is built will very likely occupy more memory than strictly necessary;
   * to trim memory usage, build using {@code builder.build().trimmed()}.

    implements SortedSet<E>, SortedIterable<E> {
  // TODO(cpovirk): split into ImmutableSortedSet/ForwardingImmutableSortedSet?

  // In the non-emulated source, this is in ImmutableSortedSetFauxverideShim,
  // which overrides ImmutableSet & which ImmutableSortedSet extends.
  // It is necessary here because otherwise the builder() method
  // would be inherited from the emulated ImmutableSet.

    assertEquals("-xx", Strings.padStart("xx", 3, '-'));
  }

  public void testPadStart_negativeMinLength() {
    assertSame("x", Strings.padStart("x", -1, '-'));
  }

  // TODO: could remove if we got NPT working in GWT somehow
  public void testPadStart_null() {
    assertThrows(NullPointerException.class, () -> Strings.padStart(null, 5, '0'));
  }

  public void testPadEnd_noPadding() {

   * @throws IllegalArgumentException if any of the parameters were invalid
   */
  public PercentEscaper(String safeChars, boolean plusForSpace) {
    // TODO(dbeaumont): Switch to static factory methods for creation now that class is final.
    // TODO(dbeaumont): Support escapers where alphanumeric chars are not safe.
    checkNotNull(safeChars); // eager for GWT.
    // Avoid any misunderstandings about the behavior of this escaper

                            + " (" + repository.getUrl() + ")");
        }

        if (file == null) {
            // TODO throw something instead?
            return true;
        }

        Date lastCheckDate;

        if (file.exists()) {
            lastCheckDate = new Date(file.lastModified());
        } else {

import org.junit.jupiter.api.Assumptions.assumeFalse
import org.junit.jupiter.params.ParameterizedTest
import org.junit.jupiter.params.provider.ArgumentsSource

/**
 * Tests for round-tripping headers through hpack.
 *
 * TODO: update hpack-test-case with the output of our encoder.
 * This test will hide complementary bugs in the encoder and decoder,
 * We should test that the encoder is producing responses that are
 */

               * case we ever switch to JUnit 4:
               */
              fail();
            }
          }
        });
  }

  // TODO(cpovirk): promote to Uninterruptibles, and add untimed version
  private static void joinUninterruptibly(Thread thread, long timeout, TimeUnit unit) {
    boolean interrupted = false;
    try {