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).
     *

     */
    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();

    /**

        return noWaitOnFolder;
    }

    /**
     * Sets whether the crawler waits on folder operations.
     * @param noWaitOnFolder true to disable waiting on folder operations.
     */
    public void setNoWaitOnFolder(final boolean noWaitOnFolder) {
        this.noWaitOnFolder = noWaitOnFolder;
    }

    /**
     * Sets the client factory.
     * @param clientFactory The client factory.
     */

            this.indexUpdateCallback = indexUpdateCallback;
            this.initParamMap = initParamMap;
        }

        /**
         * Executes the crawling thread.
         * Sets the running flag, processes the data store, and ensures
         * proper cleanup regardless of success or failure.
         */
        @Override
        public void run() {
            running = true;

        }
    }

    /**
     * Gets the maximum size for alphanumeric terms from configuration.
     *
     * @return the maximum alphanumeric term size
     */
    protected int getMaxAlphanumTermSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return fessConfig.getCrawlerDocumentMaxAlphanumTermSizeAsInteger();
    }

    /**

        createdTime = null;
        versionNo = null;

    }

    /**
     * Gets the default current page number.
     *
     * @return the default current page number
     */
    protected int getDefaultCurrentPageNumber() {
        return DEFAULT_CURRENT_PAGE_NUMBER;
    }

    /**
     * Gets the total number of records available.
     *
     * @return the total record count
     */

        createdTime = null;
        versionNo = null;

    }

    /**
     * Gets the default current page number.
     * @return The default current page number.
     */
    protected int getDefaultCurrentPageNumber() {
        return DEFAULT_CURRENT_PAGE_NUMBER;
    }

    /**
     * Gets the total number of records.
     * @return The total number of records.
     */

        groups = null;
        versionNo = null;

    }

    /**
     * Gets the default current page number.
     *
     * @return the default current page number
     */
    protected int getDefaultCurrentPageNumber() {
        return DEFAULT_CURRENT_PAGE_NUMBER;
    }

    /**
     * Gets the total number of records.
     *
     * @return the total record count
     */

    /**
     * Gets the raw model to build. If not set, model source will be used to load raw model.
     *
     * @return The raw model to build or {@code null} if not set.
     */
    Model getRawModel();

    /**
     * Set raw model.
     *
     * @param rawModel
     */
    ModelBuildingRequest setRawModel(Model rawModel);

    /**
     * Gets the source of the POM to process.
     *

            this.url = url;
            this.depth = depth;
        }

        /**
         * Gets the URL of this crawl request.
         *
         * @return the URL to be crawled
         */
        public String getUrl() {
            return url;
        }

        /**
         * Gets the depth of this crawl request in the crawling hierarchy.
         *
         * @return the crawling depth