docs: public String getDisplayText() {
          StringBuilder sb = new StringBuilder();
          appendText(sb, getPatientName(), "patient");
          appendText(sb, getSubject(), "subject");
          appendText(sb, getSenderName(), "sender");
          appendText(sb, DateUtil.formatDate(getDeliveryDate()), "delivered");
          appendText(sb, getPriority().toString(), "priority");
          appendText(sb, "dummy", isActionable() ? "actionable" : "infoonly");
          appendText(sb, "dummy", canDelete() ? "delete.yes" : "delete.no");
          
          if (message != null && !message.isEmpty()) {
              sb.append("\n");
              
              for (String text : message) {
                  sb.append(text).append("\n");
              }
          }
          return sb.toString();
      }