String buildTable() {
    StringBuilder StringBuilder = new StringBuilder();
    for (RowGroup rowGroup : rowGroups) {
      StringBuilder.append(rowGroup.buildRowGroup(isTabularResult));
    }

    return StringBuilder.toString();
  }
Computes total Max Row Length across table - for all row groups.
geode-gfsh/src/main/java/org/apache/geode/management/internal/cli/result/Table.java