code: public void flushSomeAvailableRowsFrom(final XMLUtil util, final Appendable appendable, final int rowIndex)
              throws IOException {
          if (rowIndex == 0)
              this.appendPreamble(util, appendable);
          this.appendRows(util, appendable, rowIndex);
      }
docs: Flush all rows from a given position, but do not freeze the table
  
  @param util       a XMLUtil instance for writing XML
  @param appendable where to write
  @param rowIndex   the index of the row
  @throws IOException if an I/O error occurs during the flush