* doesn't need one, or it should be suppressed for ContiguousSet.
       */
      for (int i = 0; i < elements.size() - 1; i++) {
        assertEquals(elements.get(i) + 1, (int) elements.get(i + 1));
      }
      Range<Integer> range =
          elements.isEmpty() ? Range.closedOpen(0, 0) : Range.encloseAll(elements);
      return ContiguousSet.create(range, DiscreteDomain.integers());
    }

            this.flags = address.getAddress().length == 4 ? IPV4 : IPV6;
        }

        /**
         * Gets the IP address.
         *
         * @return the IP address
         */
        public InetAddress getAddress() {
            return address;
        }

        /**
         * Gets the address flags.
         *
         * @return the flags
         */
        public int getFlags() {

    }

    /**
     * Gets the oplock level granted.
     *
     * @return the oplockLevel
     */
    public final byte getOplockLevel() {
        return this.oplockLevel;
    }

    /**
     * Gets the file identifier.
     *
     * @return the fid
     */
    public final int getFid() {
        return this.fid;
    }

    /**
     * Gets the create action taken.
     *

     */
    String getSource();

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

    /**

    //                                                                        Assist Logic
    //                                                                        ============
    /**
     * Gets a file authentication entity based on the form and current user info.
     *
     * @param form the create form
     * @param username the current username
     * @param currentTime the current time

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).
     *

        id = null;
    }

    /**
     * Gets the default page size from the Fess configuration.
     *
     * @return The default page size.
     */
    protected int getDefaultPageSize() {
        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
    }

    /**
     * Gets the default current page number, which is 1.
     *

            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    /**
     * Gets a duplicate host entity from the form, setting audit fields.
     *
     * @param form the form containing duplicate host data
     * @return optional duplicate host entity with audit fields set
     */

     */
    @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.
     *

   *
   * <p>The returned list maintains the values, but not the identities, of {@code Short} objects
   * written to or read from it. For example, whether {@code list.get(0) == list.get(0)} is true for
   * the returned list is unspecified.
   *
   * <p>The returned list is serializable.
   *
   * @param backingArray the array to back the list
   * @return a list view of the array
   */