public String getIndexFieldBoost() {
                return "boost";
            }

            @Override
            public String getIndexFieldContentLength() {
                return "content_length";
            }

            @Override
            public String getIndexFieldHost() {
                return "host";
            }

            @Override

					</c:if>
					<c:if test="${doc.content_length!=null && doc.content_length!=''}">
						<div class="d-sm-none"></div>
						<span class="d-none d-sm-inline-block">&nbsp;</span>
						<la:message key="labels.search_result_size"
							arg0="${fe:formatFileSize(doc.content_length)}" />
					</c:if>
					<c:if test="${searchLogSupport && doc.click_count!=null && doc.click_count>0}">

			</la:option>
			<la:option value="created.desc">
				<la:message key="labels.search_result_sort_created_desc" />
			</la:option>
			<la:option value="content_length.asc">
				<la:message key="labels.search_result_sort_content_length_asc" />
			</la:option>
			<la:option value="content_length.desc">
				<la:message key="labels.search_result_sort_content_length_desc" />
			</la:option>
			<la:option value="last_modified.asc">

			</la:option>
			<la:option value="created.desc">
				<la:message key="labels.search_result_sort_created_desc" />
			</la:option>
			<la:option value="content_length.asc">
				<la:message key="labels.search_result_sort_content_length_asc" />
			</la:option>
			<la:option value="content_length.desc">
				<la:message key="labels.search_result_sort_content_length_desc" />
			</la:option>
			<la:option value="last_modified.asc">

    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>java.lang.String formatFileSize(long)</function-signature>
    <example>
      ${fe:formatFileSize(doc.content_length)}
    </example>
  </function>

  <function>
    <description>
      Returns formatted number from a given value.
    </description>
    <name>formatNumber</name>

					</c:if> <c:if test="${sort=='created.desc'}">
						<la:message key="labels.search_result_sort_created_desc" />
					</c:if> <c:if test="${sort=='content_length.asc'}">
						<la:message key="labels.search_result_sort_content_length_asc" />
					</c:if> <c:if test="${sort=='content_length.desc'}">
						<la:message key="labels.search_result_sort_content_length_desc" />
					</c:if> <c:if test="${sort=='last_modified.asc'}">

					</c:if> <c:if test="${sort=='created.desc'}">
						<la:message key="labels.search_result_sort_created_desc" />
					</c:if> <c:if test="${sort=='content_length.asc'}">
						<la:message key="labels.search_result_sort_content_length_asc" />
					</c:if> <c:if test="${sort=='content_length.desc'}">
						<la:message key="labels.search_result_sort_content_length_desc" />
					</c:if> <c:if test="${sort=='last_modified.asc'}">

						<la:option value="created.desc">
							<la:message key="labels.search_result_sort_created_desc" />
						</la:option>
						<la:option value="content_length.asc">
							<la:message key="labels.search_result_sort_content_length_asc" />
						</la:option>
						<la:option value="content_length.desc">
							<la:message key="labels.search_result_sort_content_length_desc" />
						</la:option>
						<la:option value="last_modified.asc">

					</c:if>
					<c:if test="${doc.content_length!=null && doc.content_length!=''}">
						<div class="d-sm-none"></div>
						<span class="d-none d-sm-inline-block">&nbsp;</span>
						<la:message key="labels.search_result_size"
							arg0="${fe:formatFileSize(doc.content_length)}" />
					</c:if>
					<c:if test="${searchLogSupport && doc.click_count!=null && doc.click_count>0}">

  /** The HTTP {@code Cache-Control} header field name. */
  public static final String CACHE_CONTROL = "Cache-Control";

  /** The HTTP {@code Content-Length} header field name. */
  public static final String CONTENT_LENGTH = "Content-Length";

  /** The HTTP {@code Content-Type} header field name. */
  public static final String CONTENT_TYPE = "Content-Type";

  /** The HTTP {@code Date} header field name. */