class EacRubyUtils::Listable::SymbolList

def parse_labels(labels)
  if labels.first.is_a?(Hash)
    labels.first.to_h { |k, v| [k.to_sym, v.to_sym] }
  else
    labels.to_h { |v| [v.to_sym, v.to_sym] }
  end
end