gem 'minitest', '~> 5.4', group: %i(development)
gem 'rdoc', '~> 4.0', group: %i(development)
gem 'rake', '>= 0', group: %i(development)
gem 'concurrent-ruby', '~> 1.0', group: %i(development)
gem 'arel', '~> 9.0.0'
