code: Boolean isDataSourceDescending() {
  
          if (table.isText()) {
              return ((TextTable) table).isDescDataSource() ? Boolean.TRUE
                                                            : Boolean.FALSE;
          }
  
          return Boolean.FALSE;
      }
docs: Retrieves, for [TEMP] TEXT tables, whether the table's data source
  descriptor requests descending read semantics.  That is, when this
  value is true, it indicate that the text file is to be read from
  the bottom up. <p>
  
  @return whether the table's data source
  descriptor requests descending
  read semantics