* than one, not just two.
   */
  @SuppressWarnings("EmptyList") // ImmutableList doesn't support nullable element types
  @IgnoreJRERequirement // see enclosing class (whose annotation Animal Sniffer ignores here...)
  private static final class ToOptionalState<T extends @Nullable Object> {
    static final int MAX_EXTRAS = 4;

    @Nullable T element;
    List<T> extras;

        <configuration>
          <skipPublishing>true</skipPublishing>
        </configuration>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>animal-sniffer-maven-plugin</artifactId>
        <configuration>
          <checkTestClasses>false</checkTestClasses> <!-- TODO(cpovirk): Consider checking them. -->
        </configuration>
      </plugin>
      <plugin>

    <!-- Override this with -Dtest.include="**/SomeTest.java" on the CLI -->
    <test.include>%regex[.*.class]</test.include>
    <animal-sniffer-maven-plugin.version>1.27</animal-sniffer-maven-plugin.version>
    <asm.version>9.9.1</asm.version>
    <build-helper-maven-plugin.version>3.6.1</build-helper-maven-plugin.version>
    <caliper.version>1.0-beta-3</caliper.version>

        <configuration>
          <skipPublishing>true</skipPublishing>
        </configuration>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>animal-sniffer-maven-plugin</artifactId>
        <configuration>
          <checkTestClasses>false</checkTestClasses> <!-- TODO(cpovirk): Consider checking them. -->
        </configuration>
      </plugin>
      <plugin>

   * than one, not just two.
   */
  @SuppressWarnings("EmptyList") // ImmutableList doesn't support nullable element types
  @IgnoreJRERequirement // see enclosing class (whose annotation Animal Sniffer ignores here...)
  private static final class ToOptionalState<T extends @Nullable Object> {
    static final int MAX_EXTRAS = 4;

    @Nullable T element;
    List<T> extras;

        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-source-plugin</artifactId>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>animal-sniffer-maven-plugin</artifactId>
      </plugin>
      <plugin>
        <artifactId>maven-javadoc-plugin</artifactId>
        <configuration>

        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-source-plugin</artifactId>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>animal-sniffer-maven-plugin</artifactId>
      </plugin>
      <plugin>
        <artifactId>maven-javadoc-plugin</artifactId>
        <configuration>

  "Bundle-SymbolicName: com.squareup.okhttp3",
)

val androidSignature by configurations.getting
val jvmSignature by configurations.getting
val checkstyleConfig by configurations.getting

// Animal Sniffer confirms we generally don't use APIs not on Java 8.
configure<AnimalSnifferExtension> {
  annotation = "okhttp3.internal.SuppressSignatureCheck"
  defaultTargets("jvmMain", "debug")
}

  }

  @IgnoreJRERequirement // helper for emptiesFirst+emptiesLast
  /*
   * If we make these calls inline inside the lambda inside emptiesFirst()/emptiesLast(), we get an
   * Animal Sniffer error, despite the @IgnoreJRERequirement annotation there. For details, see
   * ImmutableSortedMultiset.
   */
  private static <T> @Nullable T orElseNull(Optional<T> optional) {
    return optional.orElse(null);
  }

    @ParametricNullness
    R apply(@ParametricNullness T from, long index);
  }

  /*
   * @IgnoreJRERequirement should be redundant with the one on Streams itself, but it's necessary as
   * of Animal Sniffer 1.24. Maybe Animal Sniffer processes this nested class before it processes
   * Streams and thus hasn't had a chance to see Streams's annotation?
   */
  @IgnoreJRERequirement
  private abstract static class MapWithIndexSpliterator<