class Rack::Session::Abstract::Persisted

def initialize(app, options = {})
  @app = app
  @default_options = self.class::DEFAULT_OPTIONS.merge(options)
  @key = @default_options.delete(:key)
  @cookie_only = @default_options.delete(:cookie_only)
  @same_site = @default_options.delete(:same_site)
  initialize_sid
end