code: public void addAutofilter(final Table table, final int r1, final int c1, final int r2, final int c2) {
          if (this.autofilters == null) this.autofilters = new ArrayList<String>();
  
          this.autofilters.add(this.positionUtil.toRangeAddress(table, r1, c1, r2, c2));
      }
docs: Add an autofilter to a table
  
  @param table the table where the filter goes
  @param r1    first row index (0..n-1)
  @param c1    first col index
  @param r2    last row index
  @param c2    last col index