docs: public static List<Object[]> getFieldDebugInfos(final String field, String clientId)
      {
          Map<String, List<Object[]>> debugInfo = getDebugInfoMap(clientId);
          List<Object[]> fieldDebugInfo = debugInfo.get(field);
          if (fieldDebugInfo == null)
          {
              // no field debug-infos yet, create them and store it in the Map
              fieldDebugInfo = new ArrayList<Object[]>();
              debugInfo.put(field, fieldDebugInfo);
          }
          return fieldDebugInfo;
      }