public static SerializableFunction<Row, TableRow> toTableRow() {
    return ROW_TO_TABLE_ROW;
  }
@Test
  public void testToTableRow_array() {
    TableRow row = toTableRow().apply(ARRAY_ROW);

    assertThat(row, hasEntry("ids", Arrays.asList("123", "124")));
    assertThat(row.size(), equalTo(1));
  }