import org.junit.Ignore;

/**
 * Testers for {@link ListMultimap#equals(Object)}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")

 * please see {@link MultisetTestSuiteBuilder}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible // but no-op
@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class MultisetSerializationTester<E> extends AbstractMultisetTester<E> {

      list.add(new Object());
    }

    Ordering<Object> arbitrary = Ordering.arbitrary();
    sort(list, arbitrary);

    // Now we don't care what order it's put the list in, only that
    // comparing any pair of elements gives the answer we expect.
    testComparator(arbitrary, list);

    assertThat(arbitrary.toString()).isEqualTo("Ordering.arbitrary()");
  }

      list.add(new Object());
    }

    Ordering<Object> arbitrary = Ordering.arbitrary();
    sort(list, arbitrary);

    // Now we don't care what order it's put the list in, only that
    // comparing any pair of elements gives the answer we expect.
    testComparator(arbitrary, list);

    assertThat(arbitrary.toString()).isEqualTo("Ordering.arbitrary()");
  }

import com.google.errorprone.annotations.Immutable;

/**
 * Explicitly named subinterface of {@link Supplier} that can be marked {@literal @}{@link
 * Immutable}.
 */
// TODO(cpovirk): Should we just use ChecksumType directly instead of defining this type?
@Immutable

        @Override
        int writeBodyWireFormat(byte[] dst, int dstIndex) {
            // For testing purposes, we can return a fixed length or mock behavior
            return 0;
        }

        @Override
        int readBodyWireFormat(byte[] src, int srcIndex) {
            // For testing purposes, we can return a fixed length or mock behavior
            return 0;
        }

        @Override

import org.junit.Ignore;

/**
 * Base class for multiset collection tests.
 *
 * @author Jared Levy
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class AbstractMultisetTester<E> extends AbstractCollectionTester<E> {

        MavenBuildTimestamp timestamp = new MavenBuildTimestamp(new Date(), interpolationProperties);
        String formattedTimestamp = timestamp.formattedTimestamp();
        assertTrue(formattedTimestamp.endsWith("Z"), "We expect the UTC marker at the end of the timestamp.");
    }

      return delegate;
    }

    @Override
    public void addListener(Runnable listener, Executor exec) {
      executionList.add(listener, exec);

      // When a listener is first added, we run a task that will wait for the delegate to finish,
      // and when it is done will run the listeners.
      if (hasListeners.compareAndSet(false, true)) {
        if (delegate.isDone()) {

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import org.jspecify.annotations.NullUnmarked;

/** Simple derived class to verify that we handle generics correctly. */
@GwtCompatible
@NullUnmarked
class Derived extends Base {
  public Derived(String s) {
    super(s);
  }