public interface Event {

    /**
     * Gets the type of the event.
     *
     * @return the type of the event, never {@code null}
     */
    @Nonnull
    EventType getType();

    /**
     * Gets the session from which this event originates.
     *
     * @return the current session, never {@code null}
     */
    @Nonnull
    Session getSession();

    /**
     * Gets the current project (if any).
     *

        // Default constructor
    }

    /**
     * Gets the page size for search results.
     * @return The page size.
     */
    public int getPageSize() {
        if (size != null) {
            return size;
        }
        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
    }

    /**
     * Gets the current page number for search results.
     * @return The current page number.

  // implementations.

  private Futures() {}

  /**
   * Creates a {@code ListenableFuture} which has its value set immediately upon construction. The
   * getters just return the value. This {@code Future} can't be canceled or timed out and its
   * {@code isDone()} method always returns {@code true}.
   */
  public static <V extends @Nullable Object> ListenableFuture<V> immediateFuture(

        this.availableResources = -1;
        this.requestedResources = -1;
    }

    /**
     * Gets the resource type
     *
     * @return the resource type
     */
    public ResourceType getResourceType() {
        return resourceType;
    }

    /**
     * Gets available resources
     *
     * @return available resources or -1 if unknown
     */

     */
    @Nonnull
    String getProjectId();

    /**
     * Gets the POM file from which the project was built.
     *
     * @return the optional POM file
     */
    @Nonnull
    Optional<Path> getPomFile();

    /**
     * Gets the project that was built.
     *

    }
  }

  companion object {
    /**
     * The cipher suite used during TLS connection fallback to indicate a fallback. See
     * https://tools.ietf.org/html/draft-ietf-tls-downgrade-scsv-00
     */
    const val TLS_FALLBACK_SCSV = "TLS_FALLBACK_SCSV"
  }

        this.id = id;
        this.attributes = attributes;
    }

    /**
     * Gets the Security Identifier.
     *
     * @return the SID associated with this instance
     */
    public SID getId() {
        return this.id;
    }

    /**
     * Gets the attribute flags associated with the SID.
     *
     * @return the attribute flags
     */
    public int getAttributes() {

     */
    int getLineNumber();

    /**
     * Gets the one-based index of the column containing the problem. The column number should refer to some text file
     * that is given by {@link #getSource()}.
     *
     * @return the one-based index of the column containing the problem or non-positive value if unknown
     */
    int getColumnNumber();

    /**

     */
    protected void registerBugReportItems(final RenderData data) {
        RenderDataUtil.register(data, "bugReportItems", getBugReportItems());
    }

    /**
     * Gets a list of environment variables as key-value pairs.
     *
     * @return list of environment variable items
     */
    public static List<Map<String, String>> getEnvItems() {

    }

    /**
     * Gets the new lease state after the break
     * @return the new lease state
     */
    public int getNewLeaseState() {
        return newLeaseState;
    }

    /**
     * Gets the reason for the lease break
     * @return the break reason
     */
    public int getBreakReason() {
        return breakReason;
    }

    /**
     * Gets the lease flags from the notification