* prefer the simplest interface that satisfies your use case. See the <a
 * href="https://github.com/google/guava/wiki/GraphsExplained#choosing-the-right-graph-type">
 * "Choosing the right graph type"</a> section of the Guava User Guide for more details.
 *
 * <h3>Capabilities</h3>
 *
 * <p>{@code Network} supports the following use cases (<a
 * href="https://github.com/google/guava/wiki/GraphsExplained#definitions">definitions of

  /** The HTTP {@code Host} header field name. */
  public static final String HOST = "Host";

  /**
   * The HTTP <a href="https://datatracker.ietf.org/doc/html/rfc7540#section-3.2.1">{@code
   * HTTP2-Settings} </a> header field name.
   *
   * @since 24.0
   */
  public static final String HTTP2_SETTINGS = "HTTP2-Settings";

  /** The HTTP {@code If-Match} header field name. */

        <role>owner</role>
        <role>developer</role>
      </roles>
      <timezone>-8</timezone>
    </developer>
  </developers>
  <ciManagement>
    <system>GitHub Actions</system>
    <url>https://github.com/google/guava/actions</url>
  </ciManagement>
  <modules>
    <module>guava</module>
    <module>guava-bom</module>
    <module>guava-testlib</module>
    <module>guava-tests</module>
  </modules>

        <role>owner</role>
        <role>developer</role>
      </roles>
      <timezone>-8</timezone>
    </developer>
  </developers>
  <ciManagement>
    <system>GitHub Actions</system>
    <url>https://github.com/google/guava/actions</url>
  </ciManagement>
  <modules>
    <module>guava</module>
    <module>guava-bom</module>
    <module>guava-gwt</module>
    <module>guava-testlib</module>

  private fun retryAfter(
    userResponse: Response,
    defaultDelay: Int,
  ): Int {
    val header = userResponse.header("Retry-After") ?: return defaultDelay

    // https://tools.ietf.org/html/rfc7231#section-7.1.3
    // currently ignores a HTTP-date, and assumes any non int 0 is a delay
    if (header.matches("\\d+".toRegex())) {
      return Integer.valueOf(header)
    }
    return Integer.MAX_VALUE
  }

   * call cancel() and be unable to cancel the delegate.
   * There are a number of ways to solve this, none of which are very pretty, and it is currently
   * believed to be a purely theoretical problem (since the other actions should supply sufficient
   * write-barriers).
   */

  @LazyInit private @Nullable ListenableFuture<V> delegateRef;
  @LazyInit private @Nullable ScheduledFuture<?> timer;

import org.lastaflute.web.util.LaRequestUtil;

import jakarta.annotation.PostConstruct;

/**
 * The helper for user activities.
 * This class provides methods to log user actions such as login, logout, and access.
 * It supports both LTSV and ECS log formats.
 *
 */
public class ActivityHelper {

    /**
     * Default constructor.
     */
    public ActivityHelper() {

        domain,
        path,
        secureOnly,
        httpOnly,
        persistent,
        hostOnly,
        sameSite,
      )
    }

    /** Parse a date as specified in RFC 6265, section 5.1.1. */
    private fun parseExpires(
      s: String,
      pos: Int,
      limit: Int,
    ): Long {
      var pos = pos
      pos = dateCharacterOffset(s, pos, limit, false)

      var hour = -1

   * list the nodes reachable from a given node or nodes. See the <a
   * href="https://github.com/google/guava/wiki/GraphsExplained#Graph-traversal">"Graph traversal"
   * section of the Guava User's Guide</a> for more information.
   *
   * <p>The {@link Set} returned is a "snapshot" based on the current topology of {@code graph},

   * list the nodes reachable from a given node or nodes. See the <a
   * href="https://github.com/google/guava/wiki/GraphsExplained#Graph-traversal">"Graph traversal"
   * section of the Guava User's Guide</a> for more information.
   *
   * <p>The {@link Set} returned is a "snapshot" based on the current topology of {@code graph},