code: public static Map<String, CmsResourceTableProperty> getDefaultColumnsByName() {
  
          if (m_columnsByName == null) {
              m_columnsByName = Maps.newHashMap();
              for (CmsResourceTableProperty column : defaultProperties()) {
                  m_columnsByName.put(column.getId(), column);
              }
  
          }
          return Collections.unmodifiableMap(m_columnsByName);
      }
docs: Gets a map of default columns by name.<p>
  
  @return the default columns with their names as keys