docs: public InsertAllResponse insert(String rowId1, String rowId2) {
      // [START ]
      List<RowToInsert> rows = new ArrayList<>();
      Map<String, Object> row1 = new HashMap<>();
      row1.put("stringField", "value1");
      row1.put("booleanField", true);
      Map<String, Object> row2 = new HashMap<>();
      row2.put("stringField", "value2");
      row2.put("booleanField", false);
      rows.add(RowToInsert.of(rowId1, row1));
      rows.add(RowToInsert.of(rowId2, row2));
      InsertAllResponse response = table.insert(rows);
      // do something with response
      // [END ]
      return response;
    }