class EacRubyUtils::Listable::IntegerList

def build_value(index, _key)
  index + 1
end

def parse_labels(labels)
  if labels.first.is_a?(Hash)
    Hash[labels.first.map { |k, v| [k.to_i, v.to_s] }]
  else
    Hash[labels.each_with_index.map { |v, i| [i + 1, v.to_s] }]
  end
end