Long timestamp = System.currentTimeMillis();
        queue.setLastModified(timestamp);
        assertEquals(timestamp, queue.getLastModified());

        queue.setLastModified(null);
        assertNull(queue.getLastModified());
    }

    public void test_createTimeGetterSetter() {
        // Test createTime getter/setter
        UrlQueueImpl<Long> queue = new UrlQueueImpl<>();

        }

        /**
         * Gets the date of the GCS object.
         * This method returns the same value as getLastModified().
         *
         * @return The date in milliseconds since epoch
         */
        @Override
        public long getDate() {
            return getLastModified();
        }

        /**
         * Returns the last modified date of the GCS object.

        }

        /**
         * Gets the date of the S3 object.
         * This method returns the same value as getLastModified().
         *
         * @return The date in milliseconds since epoch
         */
        @Override
        public long getDate() {
            return getLastModified();
        }

        /**
         * Returns the last modified date of the S3 object.

        this.createTime = createTime;
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.entity.UrlQueue#getLastModified()
     */
    @Override
    public Long getLastModified() {
        return lastModified;
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.entity.UrlQueue#setLastModified(java.sql.Long)

     */
    public long getSize() {
        return size;
    }

    /**
     * Returns the last modified timestamp.
     *
     * @return the last modified timestamp
     */
    public ZonedDateTime getLastModified() {
        return lastModified;
    }

    /**
     * Returns the base64-encoded ID of the item.
     *
     * @return the encoded ID
     */
    public String getEncodedId() {

            reader = new StringReader("");
        }

        return reader;
    }

    public boolean isReloadable() {
        return reloadableFile != null;
    }

    public long getLastModified() {
        return lastModified;
    }

    protected static Analyzer getAnalyzer(final boolean ignoreCase) {
        return new Analyzer() {
            @Override

                urlQueue.setUrl(value.getUrl());
                urlQueue.setParentUrl(value.getParentUrl());
                urlQueue.setDepth(0);
                urlQueue.setLastModified(value.getLastModified());
                urlQueue.setCreateTime(SystemUtil.currentTimeMillis());
                urlQueueList.add(urlQueue);
            }
        }
    }

     */
    void setContentLength(Long contentLength);

    /**
     * Returns the last modified time of the accessed resource.
     *
     * @return the last modified time
     */
    Long getLastModified();

    /**
     * Sets the last modified time of the accessed resource.
     *
     * @param lastModified the last modified time
     */
    /**

    void setDepth(Integer depth);

    /**
     * Returns the last modified timestamp of the URL in the queue.
     *
     * @return the last modified timestamp as a Long value.
     */
    Long getLastModified();

    /**
     * Sets the last modified timestamp for the URL queue entry.
     *
     * @param lastModified the timestamp of the last modification in milliseconds since epoch.
     */

        return contentLength;
    }

    @Override
    public void setContentLength(final Long contentLength) {
        this.contentLength = contentLength;
    }

    @Override
    public Long getLastModified() {
        return lastModified;
    }

    @Override
    public void setLastModified(final Long lastModified) {
        this.lastModified = lastModified;
    }

    /**