class Cucumber::Core::Ast::DataTable

[['a', 'b'], ['c', 'd']]

gets converted into the following:

| c | d |
| a | b |

the following plain text:
Gets the raw data of this table. For example, a DataTable built from

def raw
  cell_matrix.map do |row|
    row.map do |cell|
      cell.value
    end
  end
end