class Puma::Runner

def ruby_engine
  warn "Puma::Runner#ruby_engine is deprecated; use RUBY_DESCRIPTION instead. It will be removed in puma v7."
  if !defined?(RUBY_ENGINE) || RUBY_ENGINE == "ruby"
    "ruby #{RUBY_VERSION}-p#{RUBY_PATCHLEVEL}"
  else
    if defined?(RUBY_ENGINE_VERSION)
      "#{RUBY_ENGINE} #{RUBY_ENGINE_VERSION} - ruby #{RUBY_VERSION}"
    else
      "#{RUBY_ENGINE} #{RUBY_VERSION}"
    end
  end
end