class RuboCop::Cop::Style::AlignHash::TableAlignment

def deltas_for_first_pair(first_pair, node)
  key_widths = node.children.map do |pair|
    key, _value = *pair
    key.source.length
  end
  @max_key_width = key_widths.max
  separator_delta = separator_delta(first_pair,
                                    first_pair.loc.operator, 0)
  {
    separator: separator_delta,
    value:     value_delta(first_pair, first_pair) - separator_delta
  }
end