diff --git a/package-lock.json b/package-lock.json
index 34beabb..53bac01 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@piwikpro/ngx-piwik-pro-project",
-  "version": "1.1.1",
+  "version": "2.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@piwikpro/ngx-piwik-pro-project",
-      "version": "1.1.1",
+      "version": "2.0.0",
       "license": "MIT",
       "dependencies": {
         "@angular/animations": "^18.0.0",
diff --git a/package.json b/package.json
index 584c767..24d8b7e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@piwikpro/ngx-piwik-pro-project",
-  "version": "1.1.1",
+  "version": "2.0.0",
   "scripts": {
     "ng": "ng",
     "start": "ng serve",
diff --git a/projects/ngx-piwik-pro/src/lib/services/content-tracking/content-tracking.service.ts b/projects/ngx-piwik-pro/src/lib/services/content-tracking/content-tracking.service.ts
index 1bd7081..316635e 100644
--- a/projects/ngx-piwik-pro/src/lib/services/content-tracking/content-tracking.service.ts
+++ b/projects/ngx-piwik-pro/src/lib/services/content-tracking/content-tracking.service.ts
@@ -4,34 +4,34 @@ import { Injectable } from '@angular/core';
 type IContentTracking = typeof ContentTracking;
 
 @Injectable({
-  providedIn: 'root'
+ providedIn: 'root'
 })
 export class ContentTrackingService {
-  trackAllContentImpressions(...params: Parameters<IContentTracking['trackAllContentImpressions']>) {
-    ContentTracking.trackAllContentImpressions(...params);
-  }
-
-  trackVisibleContentImpressions(...params: Parameters<IContentTracking['trackVisibleContentImpressions']>) {
-    ContentTracking.trackVisibleContentImpressions(...params);
-  }
-
-  trackContentImpressionsWithinNode(...params: Parameters<IContentTracking['trackContentImpressionsWithinNode']>) {
-    ContentTracking.trackContentImpressionsWithinNode(...params);
-  }
-
-  trackContentImpression(...params: Parameters<IContentTracking['trackContentImpression']>) {
-    ContentTracking.trackContentImpression(...params);
-  }
-
-  logAllContentBlocksOnPage(...params: Parameters<IContentTracking['logAllContentBlocksOnPage']>): void {
-    ContentTracking.logAllContentBlocksOnPage(...params);
-  }
-
-  trackContentInteractionNode(...params: Parameters<IContentTracking['trackContentInteractionNode']>) {
-    ContentTracking.trackContentInteractionNode(...params);
-  }
-
-  trackContentInteraction(...params: Parameters<IContentTracking['trackContentInteraction']>) {
-    ContentTracking.trackContentInteraction(...params);
-  }
-}
+ trackAllContentImpressions(...params: Parameters<IContentTracking['trackAllContentImpressions']>): ReturnType<IContentTracking['trackAllContentImpressions']> {
+   return ContentTracking.trackAllContentImpressions(...params);
+ }
+
+ trackVisibleContentImpressions(...params: Parameters<IContentTracking['trackVisibleContentImpressions']>): ReturnType<IContentTracking['trackVisibleContentImpressions']> {
+   return ContentTracking.trackVisibleContentImpressions(...params);
+ }
+
+ trackContentImpressionsWithinNode(...params: Parameters<IContentTracking['trackContentImpressionsWithinNode']>): ReturnType<IContentTracking['trackContentImpressionsWithinNode']> {
+   return ContentTracking.trackContentImpressionsWithinNode(...params);
+ }
+
+ trackContentImpression(...params: Parameters<IContentTracking['trackContentImpression']>): ReturnType<IContentTracking['trackContentImpression']> {
+   return ContentTracking.trackContentImpression(...params);
+ }
+
+ logAllContentBlocksOnPage(...params: Parameters<IContentTracking['logAllContentBlocksOnPage']>): ReturnType<IContentTracking['logAllContentBlocksOnPage']> {
+   return ContentTracking.logAllContentBlocksOnPage(...params);
+ }
+
+ trackContentInteractionNode(...params: Parameters<IContentTracking['trackContentInteractionNode']>): ReturnType<IContentTracking['trackContentInteractionNode']> {
+   return ContentTracking.trackContentInteractionNode(...params);
+ }
+
+ trackContentInteraction(...params: Parameters<IContentTracking['trackContentInteraction']>): ReturnType<IContentTracking['trackContentInteraction']> {
+   return ContentTracking.trackContentInteraction(...params);
+ }
+}
\ No newline at end of file
diff --git a/projects/ngx-piwik-pro/src/lib/services/cookie-management/cookie-management.service.ts b/projects/ngx-piwik-pro/src/lib/services/cookie-management/cookie-management.service.ts
index c988466..e50442b 100644
--- a/projects/ngx-piwik-pro/src/lib/services/cookie-management/cookie-management.service.ts
+++ b/projects/ngx-piwik-pro/src/lib/services/cookie-management/cookie-management.service.ts
@@ -4,40 +4,50 @@ import { Injectable } from '@angular/core';
 type ICookieManagement = typeof CookieManagement;
 
 @Injectable({
-  providedIn: 'root'
+ providedIn: 'root'
 })
 export class CookieManagementService {
-  disableCookies(...params: Parameters<ICookieManagement['disableCookies']>) {
-    CookieManagement.disableCookies(...params);
-  }
-  enableCookies(...params: Parameters<ICookieManagement['enableCookies']>) {
-    CookieManagement.enableCookies(...params);
-  }
-  deleteCookies(...params: Parameters<ICookieManagement['deleteCookies']>) {
-    CookieManagement.deleteCookies(...params);
-  }
-  hasCookies(...params: Parameters<ICookieManagement['hasCookies']>): Promise<boolean> {
-    return CookieManagement.hasCookies(...params);
-  }
-  setCookieNamePrefix(...params: Parameters<ICookieManagement['setCookieNamePrefix']>) {
-    CookieManagement.setCookieNamePrefix(...params);
-  }
-  setCookieDomain(...params: Parameters<ICookieManagement['setCookieDomain']>) {
-    CookieManagement.setCookieDomain(...params);
-  }
-  setCookiePath(...params: Parameters<ICookieManagement['setCookiePath']>) {
-    CookieManagement.setCookiePath(...params);
-  }
-  setSecureCookie(...params: Parameters<ICookieManagement['setSecureCookie']>) {
-    CookieManagement.setSecureCookie(...params);
-  }
-  setVisitorCookieTimeout(...params: Parameters<ICookieManagement['setVisitorCookieTimeout']>) {
-    CookieManagement.setVisitorCookieTimeout(...params);
-  }
-  setSessionCookieTimeout(...params: Parameters<ICookieManagement['setSessionCookieTimeout']>) {
-    CookieManagement.setSessionCookieTimeout(...params);
-  }
-  setVisitorIdCookie(...params: Parameters<ICookieManagement['setVisitorIdCookie']>) {
-    CookieManagement.setVisitorIdCookie(...params);
-  }
-}
+ disableCookies(...params: Parameters<ICookieManagement['disableCookies']>): ReturnType<ICookieManagement['disableCookies']> {
+   return CookieManagement.disableCookies(...params);
+ }
+
+ enableCookies(...params: Parameters<ICookieManagement['enableCookies']>): ReturnType<ICookieManagement['enableCookies']> {
+   return CookieManagement.enableCookies(...params);
+ }
+
+ deleteCookies(...params: Parameters<ICookieManagement['deleteCookies']>): ReturnType<ICookieManagement['deleteCookies']> {
+   return CookieManagement.deleteCookies(...params);
+ }
+
+ hasCookies(...params: Parameters<ICookieManagement['hasCookies']>): ReturnType<ICookieManagement['hasCookies']> {
+   return CookieManagement.hasCookies(...params);
+ }
+
+ setCookieNamePrefix(...params: Parameters<ICookieManagement['setCookieNamePrefix']>): ReturnType<ICookieManagement['setCookieNamePrefix']> {
+   return CookieManagement.setCookieNamePrefix(...params);
+ }
+
+ setCookieDomain(...params: Parameters<ICookieManagement['setCookieDomain']>): ReturnType<ICookieManagement['setCookieDomain']> {
+   return CookieManagement.setCookieDomain(...params);
+ }
+
+ setCookiePath(...params: Parameters<ICookieManagement['setCookiePath']>): ReturnType<ICookieManagement['setCookiePath']> {
+   return CookieManagement.setCookiePath(...params);
+ }
+
+ setSecureCookie(...params: Parameters<ICookieManagement['setSecureCookie']>): ReturnType<ICookieManagement['setSecureCookie']> {
+   return CookieManagement.setSecureCookie(...params);
+ }
+
+ setVisitorCookieTimeout(...params: Parameters<ICookieManagement['setVisitorCookieTimeout']>): ReturnType<ICookieManagement['setVisitorCookieTimeout']> {
+   return CookieManagement.setVisitorCookieTimeout(...params);
+ }
+
+ setSessionCookieTimeout(...params: Parameters<ICookieManagement['setSessionCookieTimeout']>): ReturnType<ICookieManagement['setSessionCookieTimeout']> {
+   return CookieManagement.setSessionCookieTimeout(...params);
+ }
+
+ setVisitorIdCookie(...params: Parameters<ICookieManagement['setVisitorIdCookie']>): ReturnType<ICookieManagement['setVisitorIdCookie']> {
+   return CookieManagement.setVisitorIdCookie(...params);
+ }
+}
\ No newline at end of file
diff --git a/projects/ngx-piwik-pro/src/lib/services/custom-dimensions/custom-dimensions.service.ts b/projects/ngx-piwik-pro/src/lib/services/custom-dimensions/custom-dimensions.service.ts
index 5b8f31b..b1ab867 100644
--- a/projects/ngx-piwik-pro/src/lib/services/custom-dimensions/custom-dimensions.service.ts
+++ b/projects/ngx-piwik-pro/src/lib/services/custom-dimensions/custom-dimensions.service.ts
@@ -4,18 +4,18 @@ import { Injectable } from '@angular/core';
 type ICustomDimensions = typeof CustomDimensions;
 
 @Injectable({
-  providedIn: 'root'
+ providedIn: 'root'
 })
 export class CustomDimensionsService {
-  getCustomDimensionValue(...params: Parameters<ICustomDimensions['getCustomDimensionValue']>): Promise<string | undefined> {
-    return CustomDimensions.getCustomDimensionValue(...params);
-  }
-  
-  setCustomDimensionValue(...params: Parameters<ICustomDimensions['setCustomDimensionValue']>) {
-    CustomDimensions.setCustomDimensionValue(...params);
-  }
+ getCustomDimensionValue(...params: Parameters<ICustomDimensions['getCustomDimensionValue']>): ReturnType<ICustomDimensions['getCustomDimensionValue']> {
+   return CustomDimensions.getCustomDimensionValue(...params);
+ }
+ 
+ setCustomDimensionValue(...params: Parameters<ICustomDimensions['setCustomDimensionValue']>): ReturnType<ICustomDimensions['setCustomDimensionValue']> {
+   return CustomDimensions.setCustomDimensionValue(...params);
+ }
 
-  deleteCustomDimension(...params: Parameters<ICustomDimensions['deleteCustomDimension']>) {
-    CustomDimensions.deleteCustomDimension(...params);
-  }
-}
+ deleteCustomDimension(...params: Parameters<ICustomDimensions['deleteCustomDimension']>): ReturnType<ICustomDimensions['deleteCustomDimension']> {
+   return CustomDimensions.deleteCustomDimension(...params);
+ }
+}
\ No newline at end of file
diff --git a/projects/ngx-piwik-pro/src/lib/services/custom-event/custom-events.service.ts b/projects/ngx-piwik-pro/src/lib/services/custom-event/custom-events.service.ts
index f54a168..d6d10b4 100644
--- a/projects/ngx-piwik-pro/src/lib/services/custom-event/custom-events.service.ts
+++ b/projects/ngx-piwik-pro/src/lib/services/custom-event/custom-events.service.ts
@@ -7,7 +7,7 @@ type ICustomEvent = typeof CustomEvent;
   providedIn: 'root'
 })
 export class CustomEventsService {
-  trackEvent(...params: Parameters<ICustomEvent['trackEvent']>) {
+  trackEvent(...params: Parameters<ICustomEvent['trackEvent']>): ReturnType<ICustomEvent['trackEvent']> {
     CustomEvent.trackEvent(...params)
   }
 }
diff --git a/projects/ngx-piwik-pro/src/lib/services/data-layer/data-layer.service.ts b/projects/ngx-piwik-pro/src/lib/services/data-layer/data-layer.service.ts
index ced6aeb..9d62f28 100644
--- a/projects/ngx-piwik-pro/src/lib/services/data-layer/data-layer.service.ts
+++ b/projects/ngx-piwik-pro/src/lib/services/data-layer/data-layer.service.ts
@@ -7,7 +7,7 @@ type IDataLayer = typeof DataLayer;
   providedIn: 'root'
 })
 export class DataLayerService {
-  push(...params: Parameters<IDataLayer['push']>) {
+  push(...params: Parameters<IDataLayer['push']>): ReturnType<IDataLayer['push']> {
     return DataLayer.push(...params);
   }
 }
diff --git a/projects/ngx-piwik-pro/src/lib/services/download-and-outlink/download-and-outlink.service.ts b/projects/ngx-piwik-pro/src/lib/services/download-and-outlink/download-and-outlink.service.ts
index 29e0642..042cb30 100644
--- a/projects/ngx-piwik-pro/src/lib/services/download-and-outlink/download-and-outlink.service.ts
+++ b/projects/ngx-piwik-pro/src/lib/services/download-and-outlink/download-and-outlink.service.ts
@@ -1,41 +1,49 @@
-import { Dimensions, DownloadAndOutlink } from '@piwikpro/tracking-base-library'
-
+import { DownloadAndOutlink } from '@piwikpro/tracking-base-library'
 import { Injectable } from '@angular/core';
 
 type IDownloadAndOutlink = typeof DownloadAndOutlink;
 
 @Injectable({
-  providedIn: 'root'
+ providedIn: 'root'
 })
 export class DownloadAndOutlinkService {
-  trackLink(...params: Parameters<IDownloadAndOutlink['trackLink']>) {
-    DownloadAndOutlink.trackLink(...params);
-  }
-  enableLinkTracking(...params: Parameters<IDownloadAndOutlink['enableLinkTracking']>) {
-    DownloadAndOutlink.enableLinkTracking(...params);
-  }
-  setLinkClasses(...params: Parameters<IDownloadAndOutlink['setLinkClasses']>) {
-    DownloadAndOutlink.setLinkClasses(...params);
-  }
-  setDownloadClasses(...params: Parameters<IDownloadAndOutlink['setDownloadClasses']>) {
-    DownloadAndOutlink.setDownloadClasses(...params);
-  }
-  setDownloadExtensions(...params: Parameters<IDownloadAndOutlink['setDownloadExtensions']>) {
-    DownloadAndOutlink.setDownloadExtensions(...params);
-  }
-  addDownloadExtensions(...params: Parameters<IDownloadAndOutlink['addDownloadExtensions']>) {
-    DownloadAndOutlink.addDownloadExtensions(...params);
-  }
-  removeDownloadExtensions(...params: Parameters<IDownloadAndOutlink['removeDownloadExtensions']>) {
-    DownloadAndOutlink.removeDownloadExtensions(...params);
-  }
-  setLinkTrackingTimer(...params: Parameters<IDownloadAndOutlink['setLinkTrackingTimer']>) {
-    DownloadAndOutlink.setLinkTrackingTimer(...params);
-  }
-  getLinkTrackingTimer(...params: Parameters<IDownloadAndOutlink['getLinkTrackingTimer']>) {
-    return DownloadAndOutlink.getLinkTrackingTimer(...params);
-  }
-  setIgnoreClasses(...params: Parameters<IDownloadAndOutlink['setIgnoreClasses']>) {
-    DownloadAndOutlink.setIgnoreClasses(...params);
-  }
-}
+ trackLink(...params: Parameters<IDownloadAndOutlink['trackLink']>): ReturnType<IDownloadAndOutlink['trackLink']> {
+   return DownloadAndOutlink.trackLink(...params);
+ }
+
+ enableLinkTracking(...params: Parameters<IDownloadAndOutlink['enableLinkTracking']>): ReturnType<IDownloadAndOutlink['enableLinkTracking']> {
+   return DownloadAndOutlink.enableLinkTracking(...params);
+ }
+
+ setLinkClasses(...params: Parameters<IDownloadAndOutlink['setLinkClasses']>): ReturnType<IDownloadAndOutlink['setLinkClasses']> {
+   return DownloadAndOutlink.setLinkClasses(...params);
+ }
+
+ setDownloadClasses(...params: Parameters<IDownloadAndOutlink['setDownloadClasses']>): ReturnType<IDownloadAndOutlink['setDownloadClasses']> {
+   return DownloadAndOutlink.setDownloadClasses(...params);
+ }
+
+ setDownloadExtensions(...params: Parameters<IDownloadAndOutlink['setDownloadExtensions']>): ReturnType<IDownloadAndOutlink['setDownloadExtensions']> {
+   return DownloadAndOutlink.setDownloadExtensions(...params);
+ }
+
+ addDownloadExtensions(...params: Parameters<IDownloadAndOutlink['addDownloadExtensions']>): ReturnType<IDownloadAndOutlink['addDownloadExtensions']> {
+   return DownloadAndOutlink.addDownloadExtensions(...params);
+ }
+
+ removeDownloadExtensions(...params: Parameters<IDownloadAndOutlink['removeDownloadExtensions']>): ReturnType<IDownloadAndOutlink['removeDownloadExtensions']> {
+   return DownloadAndOutlink.removeDownloadExtensions(...params);
+ }
+
+ setLinkTrackingTimer(...params: Parameters<IDownloadAndOutlink['setLinkTrackingTimer']>): ReturnType<IDownloadAndOutlink['setLinkTrackingTimer']> {
+   return DownloadAndOutlink.setLinkTrackingTimer(...params);
+ }
+
+ getLinkTrackingTimer(...params: Parameters<IDownloadAndOutlink['getLinkTrackingTimer']>): ReturnType<IDownloadAndOutlink['getLinkTrackingTimer']> {
+   return DownloadAndOutlink.getLinkTrackingTimer(...params);
+ }
+
+ setIgnoreClasses(...params: Parameters<IDownloadAndOutlink['setIgnoreClasses']>): ReturnType<IDownloadAndOutlink['setIgnoreClasses']> {
+   return DownloadAndOutlink.setIgnoreClasses(...params);
+ }
+}
\ No newline at end of file
diff --git a/projects/ngx-piwik-pro/src/lib/services/e-commerce/e-commerce.service.ts b/projects/ngx-piwik-pro/src/lib/services/e-commerce/e-commerce.service.ts
index 99035c3..aa57e98 100644
--- a/projects/ngx-piwik-pro/src/lib/services/e-commerce/e-commerce.service.ts
+++ b/projects/ngx-piwik-pro/src/lib/services/e-commerce/e-commerce.service.ts
@@ -35,7 +35,7 @@ export class ECommerceService {
     ])
   }
 
-  ecommerceAddToCart(...params: Parameters<IeCommerce['ecommerceAddToCart']>) {
+  ecommerceAddToCart(...params: Parameters<IeCommerce['ecommerceAddToCart']>): ReturnType<IeCommerce['ecommerceAddToCart']> {
     eCommerce.ecommerceAddToCart(...params)
   }
 
@@ -49,7 +49,7 @@ export class ECommerceService {
     ])
   }
 
-  ecommerceRemoveFromCart(...params: Parameters<IeCommerce['ecommerceRemoveFromCart']>) {
+  ecommerceRemoveFromCart(...params: Parameters<IeCommerce['ecommerceRemoveFromCart']>): ReturnType<IeCommerce['ecommerceRemoveFromCart']> {
     eCommerce.ecommerceRemoveFromCart(...params)
   }
 
@@ -103,7 +103,7 @@ export class ECommerceService {
     ]);
   }
 
-  ecommerceOrder(...params: Parameters<IeCommerce['ecommerceOrder']>) {
+  ecommerceOrder(...params: Parameters<IeCommerce['ecommerceOrder']>): ReturnType<IeCommerce['ecommerceOrder']> {
     eCommerce.ecommerceOrder(...params)
   }
 
@@ -117,7 +117,7 @@ export class ECommerceService {
     ]);
   }
 
-  ecommerceCartUpdate(...params: Parameters<IeCommerce['ecommerceCartUpdate']>) {
+  ecommerceCartUpdate(...params: Parameters<IeCommerce['ecommerceCartUpdate']>): ReturnType<IeCommerce['ecommerceCartUpdate']> {
     eCommerce.ecommerceCartUpdate(...params)
   }
 
@@ -134,7 +134,7 @@ export class ECommerceService {
     ]);
   }
 
-  ecommerceProductDetailView(...params: Parameters<IeCommerce['ecommerceProductDetailView']>) {
+  ecommerceProductDetailView(...params: Parameters<IeCommerce['ecommerceProductDetailView']>): ReturnType<IeCommerce['ecommerceProductDetailView']> {
     eCommerce.ecommerceProductDetailView(...params)
   }
 }
diff --git a/projects/ngx-piwik-pro/src/lib/services/goal-conversions/goal-conversions.service.ts b/projects/ngx-piwik-pro/src/lib/services/goal-conversions/goal-conversions.service.ts
index dba5dcc..c110b37 100644
--- a/projects/ngx-piwik-pro/src/lib/services/goal-conversions/goal-conversions.service.ts
+++ b/projects/ngx-piwik-pro/src/lib/services/goal-conversions/goal-conversions.service.ts
@@ -7,7 +7,7 @@ type IGoalConversions = typeof GoalConversions;
   providedIn: 'root'
 })
 export class GoalConversionsService {
-  trackGoal( ...params: Parameters<IGoalConversions['trackGoal']>) {
+  trackGoal( ...params: Parameters<IGoalConversions['trackGoal']>): ReturnType<IGoalConversions['trackGoal']> {
     GoalConversions.trackGoal(...params)
   }
 }
diff --git a/projects/ngx-piwik-pro/src/lib/services/page-views/page-views.service.ts b/projects/ngx-piwik-pro/src/lib/services/page-views/page-views.service.ts
index 532da1b..c5dce0b 100644
--- a/projects/ngx-piwik-pro/src/lib/services/page-views/page-views.service.ts
+++ b/projects/ngx-piwik-pro/src/lib/services/page-views/page-views.service.ts
@@ -7,7 +7,7 @@ type IPageViews = typeof PageViews
   providedIn: 'root'
 })
 export class PageViewsService {
-  trackPageView(...params: Parameters<IPageViews['trackPageView']>) {
+  trackPageView(...params: Parameters<IPageViews['trackPageView']>): ReturnType<IPageViews['trackPageView']> {
     PageViews.trackPageView(...params)
   }
 }
diff --git a/projects/ngx-piwik-pro/src/lib/services/site-search/site-search.service.ts b/projects/ngx-piwik-pro/src/lib/services/site-search/site-search.service.ts
index 61a6d3f..45f11a4 100644
--- a/projects/ngx-piwik-pro/src/lib/services/site-search/site-search.service.ts
+++ b/projects/ngx-piwik-pro/src/lib/services/site-search/site-search.service.ts
@@ -1,6 +1,5 @@
-import { Dimensions, SiteSearch } from '@piwikpro/tracking-base-library'
-
 import { Injectable } from '@angular/core';
+import { SiteSearch } from '@piwikpro/tracking-base-library'
 
 type ISiteSearch = typeof SiteSearch;
 
@@ -8,7 +7,7 @@ type ISiteSearch = typeof SiteSearch;
   providedIn: 'root'
 })
 export class SiteSearchService {
-  trackSiteSearch(...params: Parameters<ISiteSearch['trackSiteSearch']>) {
-    SiteSearch.trackSiteSearch(...params)
+  trackSiteSearch(...params: Parameters<ISiteSearch['trackSiteSearch']>): ReturnType<ISiteSearch['trackSiteSearch']> {
+    return SiteSearch.trackSiteSearch(...params)
   }
-}
+}
\ No newline at end of file
diff --git a/projects/ngx-piwik-pro/src/lib/services/user-management/user-management.service.ts b/projects/ngx-piwik-pro/src/lib/services/user-management/user-management.service.ts
index f49569b..79e8368 100644
--- a/projects/ngx-piwik-pro/src/lib/services/user-management/user-management.service.ts
+++ b/projects/ngx-piwik-pro/src/lib/services/user-management/user-management.service.ts
@@ -7,23 +7,23 @@ type IUserManagement = typeof UserManagement
   providedIn: 'root'
 })
 export class UserManagementService {
-  getUserId(...params: Parameters<IUserManagement['getUserId']>): Promise<string> {
+  getUserId(...params: Parameters<IUserManagement['getUserId']>): ReturnType<IUserManagement['getUserId']> {
     return UserManagement.getUserId(...params)
   }
 
-  setUserId(...params: Parameters<IUserManagement['setUserId']>): void {
-    UserManagement.setUserId(...params)
+  setUserId(...params: Parameters<IUserManagement['setUserId']>): ReturnType<IUserManagement['setUserId']> {
+    return UserManagement.setUserId(...params)
   }
 
-  resetUserId(...params: Parameters<IUserManagement['resetUserId']>): void {
-    UserManagement.resetUserId(...params)
+  resetUserId(...params: Parameters<IUserManagement['resetUserId']>): ReturnType<IUserManagement['resetUserId']> {
+    return UserManagement.resetUserId(...params)
   }
 
-  getVisitorId(...params: Parameters<IUserManagement['getVisitorId']>): Promise<any> {
+  getVisitorId(...params: Parameters<IUserManagement['getVisitorId']>): ReturnType<IUserManagement['getVisitorId']> {
     return UserManagement.getVisitorId(...params)
   }
 
-  getVisitorInfo(...params: Parameters<IUserManagement['getVisitorInfo']>): Promise<any[]> {
+  getVisitorInfo(...params: Parameters<IUserManagement['getVisitorInfo']>): ReturnType<IUserManagement['getVisitorInfo']> {
     return UserManagement.getVisitorInfo(...params)
   }
-}
+}
\ No newline at end of file