diff --git a/package.json b/package.json
index ebffb92..74b73bc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@apihub24/authentication",
-  "version": "1.0.1",
+  "version": "2.0.0-alpha.0",
   "description": "",
   "main": "dist/index.js",
   "types": "./dist/index.d.ts",
diff --git a/src/index.ts b/src/index.ts
index aa9223b..7365092 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -11,7 +11,15 @@ export * from "./services/password.service";
 export * from "./services/session.service";
 export * from "./services/token.service";
 
-export const APIHUB24_PASSWORD_SERVICE = "@apihub24/password_service";
-export const APIHUB24_MAIL_SERVICE = "@apihub24/mail_service";
-export const APIHUB24_SESSION_SERVICE = "@apihub24/session_service";
-export const APIHUB24_TOKEN_SERVICE = "@apihub24/token_service";
+export const APIHUB24_PASSWORD_SERVICE = Symbol("@apihub24/password_service");
+export const APIHUB24_MAIL_SERVICE = Symbol("@apihub24/mail_service");
+export const APIHUB24_SESSION_SERVICE = Symbol("@apihub24/session_service");
+export const APIHUB24_TOKEN_SERVICE = Symbol("@apihub24/token_service");
+export const APIHUB24_ACCOUNT_REPOSITORY = Symbol(
+  "@apihub24/account_repository"
+);
+export const APIHUB24_GROUP_REPOSITORY = Symbol("@apihub24/group_repository");
+export const APIHUB24_RIGHT_REPOSITORY = Symbol("@apihub24/right_repository");
+export const APIHUB24_ORGANIZATION_REPOSITORY = Symbol(
+  "@apihub24/organization_repository"
+);