add id

express-session/express-session.d.ts

@@ -10,11 +10,14 @@ declare namespace Express {
 
   export interface Request {
     session?: Session;
+    readonly sessionId: string;
   }
 
   export interface Session {
     [key: string]: any;
 
+    readonly id: string;
+
     regenerate: (callback: (err: any) => void) => void;
     destroy: (callback: (err: any) => void) => void;
     reload: (callback: (err: any) => void) => void;