       <div class="input-group mb-3" wicket:enclosure="documentNameFilter">
                <span class="input-group-text">
                  <i class="fas fa-search"></i>
                </span>
                <input wicket:id="documentNameFilter" class="form-control" wicket:message="placeholder:documentNameFilter.placeholder"/>
                <div class="input-group-text">
                  <span wicket:id="matchDocumentNameAsRegex" />
                </div>
              </div>
              <div class