docs: public String getProperty(String pColumn) {
          if (mColumnMap == null || pColumn == null)
              return null;
  
          String property = (String) mColumnMap.get(pColumn);
  
          int dotIdx = 0;
          if (property == null && (dotIdx = pColumn.lastIndexOf(".")) >= 0)
              property = (String) mColumnMap.get(pColumn.substring(dotIdx + 1));
  
          return property;
      }