Module ActionDispatch::Session::DestroyableSession

    # File actionpack/lib/action_dispatch/middleware/session/abstract_store.rb, line 13
13:       def destroy
14:         clear
15:         options = @env[Rack::Session::Abstract::ENV_SESSION_OPTIONS_KEY] if @env
16:         options ||= {}
17:         @by.send(:destroy_session, @env, options[:id], options) if @by
18:         options[:id] = nil
19:         @loaded = false
20:       end