diff --git a/npm/ng-packs/packages/core/src/lib/models/common.ts b/npm/ng-packs/packages/core/src/lib/models/common.ts
index 6e4eead683..652cc07ea3 100644
--- a/npm/ng-packs/packages/core/src/lib/models/common.ts
+++ b/npm/ng-packs/packages/core/src/lib/models/common.ts
@@ -2,11 +2,11 @@ import { EventEmitter, Type } from '@angular/core';
 import { Router } from '@angular/router';
 import { Subject } from 'rxjs';
 import { eLayoutType } from '../enums/common';
-import { Config } from './config';
+import { Environment } from './environment';
 
 export namespace ABP {
   export interface Root {
-    environment: Partial<Config.Environment>;
+    environment: Partial<Environment>;
     registerLocaleFn: (locale: string) => Promise<any>;
     skipGetAppConfiguration?: boolean;
     sendNullsAsQueryParam?: boolean;
diff --git a/npm/ng-packs/packages/core/src/lib/models/index.ts b/npm/ng-packs/packages/core/src/lib/models/index.ts
index e5776a682e..bdcc74f1ce 100644
--- a/npm/ng-packs/packages/core/src/lib/models/index.ts
+++ b/npm/ng-packs/packages/core/src/lib/models/index.ts
@@ -2,7 +2,9 @@ export * from './application-configuration';
 export * from './common';
 export * from './config';
 export * from './dtos';
+export * from './environment';
 export * from './find-tenant-result-dto';
+export * from './localization';
 export * from './profile';
 export * from './replaceable-components';
 export * from './rest';
diff --git a/npm/ng-packs/packages/core/src/lib/models/localization.ts b/npm/ng-packs/packages/core/src/lib/models/localization.ts
new file mode 100644
index 0000000000..1d0e4d91c2
--- /dev/null
+++ b/npm/ng-packs/packages/core/src/lib/models/localization.ts
@@ -0,0 +1,6 @@
+export interface LocalizationWithDefault {
+  key: string;
+  defaultValue: string;
+}
+
+export type LocalizationParam = string | LocalizationWithDefault;