class ActionDispatch::Request::Session::Options

def id(req)

Experimental RBS support (using type sampling data from the type_fusion project). 

def id: (ActionDispatch::Request req) -> Rack::Session::SessionId

This signature was generated using 1 sample from 1 application. 

def id(req)
  @delegate.fetch(:id) {
    @by.send(:extract_session_id, req)
  }
end