@Override
    public boolean isOrdered() {
      return true;
    }

    @Override
    public boolean equals(@CheckForNull Object obj) {
      if (obj == this) {
        return true;
      }
      if (!(obj instanceof EndpointPair)) {
        return false;
      }

      EndpointPair<?> other = (EndpointPair<?>) obj;
      if (isOrdered() != other.isOrdered()) {
        return false;
      }

    if (graph.isDirected()) {
      if (!endpointPair.isOrdered()) {
        return false;
      }

      Object source = endpointPair.source();
      Object target = endpointPair.target();
      return (node.equals(source) && graph.successors(node).contains(target))
          || (node.equals(target) && graph.predecessors(node).contains(source));
    } else {
      if (endpointPair.isOrdered()) {
        return false;
      }

    if (graph.isDirected()) {
      if (!endpointPair.isOrdered()) {
        return false;
      }

      Object source = endpointPair.source();
      Object target = endpointPair.target();
      return (node.equals(source) && graph.successors(node).contains(target))
          || (node.equals(target) && graph.predecessors(node).contains(source));
    } else {
      if (endpointPair.isOrdered()) {
        return false;
      }

          objects.add(new Object());
        }

        Iterable<?> locks = striped.bulkGet(objects);
        assertTrue(Ordering.natural().onResultOf(Functions.forMap(indexByLock)).isOrdered(locks));

        // check idempotency
        Iterable<?> locks2 = striped.bulkGet(objects);
        assertEquals(Lists.newArrayList(locks), Lists.newArrayList(locks2));
      }
    }
  }

          objects.add(new Object());
        }

        Iterable<?> locks = striped.bulkGet(objects);
        assertTrue(Ordering.natural().onResultOf(Functions.forMap(indexByLock)).isOrdered(locks));

        // check idempotency
        Iterable<?> locks2 = striped.bulkGet(objects);
        assertEquals(Lists.newArrayList(locks), Lists.newArrayList(locks2));
      }
    }
  }

   * Returns {@code true} iff {@code endpoints}' ordering is compatible with the directionality of
   * this graph.
   */
  protected final boolean isOrderingCompatible(EndpointPair<?> endpoints) {
    return endpoints.isOrdered() == this.isDirected();
  }

  protected final <T> Set<T> nodeInvalidatableSet(Set<T> set, N node) {
    return InvalidatableSet.of(

import org.junit.jupiter.api.Test


class AlphabeticalAcceptedApiChangesTaskIntegrationTest : AbstractAcceptedApiChangesMaintenanceTaskIntegrationTest() {
    @Test
    fun `verify AlphabeticalAcceptedApiChangesTask detects misordered changes`() {
        //language=JSON
        firstAcceptedApiChangesFile.writeText(
            """
                {
                    "acceptedApiChanges": [
                        {

import org.junit.jupiter.api.Assertions.assertEquals
import org.junit.jupiter.api.Test


class SortAcceptedApiChangesTaskIntegrationTest : AbstractAcceptedApiChangesMaintenanceTaskIntegrationTest() {
    @Test
    fun `verify misordered changes can be sorted`() {
        //language=JSON
        firstAcceptedApiChangesFile.writeText(
            """
                {
                    "acceptedApiChanges": [
                        {