diff --git a/modules/openapi-generator/src/main/resources/typescript-angular/api.base.service.mustache b/modules/openapi-generator/src/main/resources/typescript-angular/api.base.service.mustache
index 1cf58d82be9..92a07771a0e 100644
--- a/modules/openapi-generator/src/main/resources/typescript-angular/api.base.service.mustache
+++ b/modules/openapi-generator/src/main/resources/typescript-angular/api.base.service.mustache
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/others/typescript-angular/builds/composed-schemas-tagged-unions/api.base.service.ts b/samples/client/others/typescript-angular/builds/composed-schemas-tagged-unions/api.base.service.ts
index 0b8e5aa434c..8184ceb9729 100644
--- a/samples/client/others/typescript-angular/builds/composed-schemas-tagged-unions/api.base.service.ts
+++ b/samples/client/others/typescript-angular/builds/composed-schemas-tagged-unions/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/others/typescript-angular/builds/composed-schemas/api.base.service.ts b/samples/client/others/typescript-angular/builds/composed-schemas/api.base.service.ts
index 0b8e5aa434c..8184ceb9729 100644
--- a/samples/client/others/typescript-angular/builds/composed-schemas/api.base.service.ts
+++ b/samples/client/others/typescript-angular/builds/composed-schemas/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v12-oneOf/builds/default/api.base.service.ts b/samples/client/petstore/typescript-angular-v12-oneOf/builds/default/api.base.service.ts
index 89d8f443b44..82eaead92fe 100644
--- a/samples/client/petstore/typescript-angular-v12-oneOf/builds/default/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v12-oneOf/builds/default/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v12-provided-in-any/builds/default/api.base.service.ts b/samples/client/petstore/typescript-angular-v12-provided-in-any/builds/default/api.base.service.ts
index fd901a4f11e..0743145a27c 100644
--- a/samples/client/petstore/typescript-angular-v12-provided-in-any/builds/default/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v12-provided-in-any/builds/default/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v12-provided-in-root/builds/default/api.base.service.ts b/samples/client/petstore/typescript-angular-v12-provided-in-root/builds/default/api.base.service.ts
index fd901a4f11e..0743145a27c 100644
--- a/samples/client/petstore/typescript-angular-v12-provided-in-root/builds/default/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v12-provided-in-root/builds/default/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v12-provided-in-root/builds/with-npm/api.base.service.ts b/samples/client/petstore/typescript-angular-v12-provided-in-root/builds/with-npm/api.base.service.ts
index fd901a4f11e..0743145a27c 100644
--- a/samples/client/petstore/typescript-angular-v12-provided-in-root/builds/with-npm/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v12-provided-in-root/builds/with-npm/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v13-oneOf/builds/default/api.base.service.ts b/samples/client/petstore/typescript-angular-v13-oneOf/builds/default/api.base.service.ts
index 89d8f443b44..82eaead92fe 100644
--- a/samples/client/petstore/typescript-angular-v13-oneOf/builds/default/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v13-oneOf/builds/default/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v13-provided-in-any/builds/default/api.base.service.ts b/samples/client/petstore/typescript-angular-v13-provided-in-any/builds/default/api.base.service.ts
index fd901a4f11e..0743145a27c 100644
--- a/samples/client/petstore/typescript-angular-v13-provided-in-any/builds/default/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v13-provided-in-any/builds/default/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/default/api.base.service.ts b/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/default/api.base.service.ts
index fd901a4f11e..0743145a27c 100644
--- a/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/default/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/default/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/with-npm/api.base.service.ts b/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/with-npm/api.base.service.ts
index fd901a4f11e..0743145a27c 100644
--- a/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/with-npm/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/with-npm/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v14-provided-in-root/builds/default/api.base.service.ts b/samples/client/petstore/typescript-angular-v14-provided-in-root/builds/default/api.base.service.ts
index fd901a4f11e..0743145a27c 100644
--- a/samples/client/petstore/typescript-angular-v14-provided-in-root/builds/default/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v14-provided-in-root/builds/default/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v14-query-param-object-format/api.base.service.ts b/samples/client/petstore/typescript-angular-v14-query-param-object-format/api.base.service.ts
index fd901a4f11e..0743145a27c 100644
--- a/samples/client/petstore/typescript-angular-v14-query-param-object-format/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v14-query-param-object-format/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v15-provided-in-root/builds/default/api.base.service.ts b/samples/client/petstore/typescript-angular-v15-provided-in-root/builds/default/api.base.service.ts
index fd901a4f11e..0743145a27c 100644
--- a/samples/client/petstore/typescript-angular-v15-provided-in-root/builds/default/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v15-provided-in-root/builds/default/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v16-provided-in-root/builds/default/api.base.service.ts b/samples/client/petstore/typescript-angular-v16-provided-in-root/builds/default/api.base.service.ts
index fd901a4f11e..0743145a27c 100644
--- a/samples/client/petstore/typescript-angular-v16-provided-in-root/builds/default/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v16-provided-in-root/builds/default/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v17-provided-in-root/builds/default/api.base.service.ts b/samples/client/petstore/typescript-angular-v17-provided-in-root/builds/default/api.base.service.ts
index fd901a4f11e..0743145a27c 100644
--- a/samples/client/petstore/typescript-angular-v17-provided-in-root/builds/default/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v17-provided-in-root/builds/default/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v18-provided-in-root/builds/default/api.base.service.ts b/samples/client/petstore/typescript-angular-v18-provided-in-root/builds/default/api.base.service.ts
index fd901a4f11e..0743145a27c 100644
--- a/samples/client/petstore/typescript-angular-v18-provided-in-root/builds/default/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v18-provided-in-root/builds/default/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v19-with-angular-dependency-params/builds/default/api.base.service.ts b/samples/client/petstore/typescript-angular-v19-with-angular-dependency-params/builds/default/api.base.service.ts
index fd901a4f11e..0743145a27c 100644
--- a/samples/client/petstore/typescript-angular-v19-with-angular-dependency-params/builds/default/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v19-with-angular-dependency-params/builds/default/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }
diff --git a/samples/client/petstore/typescript-angular-v19/builds/default/api.base.service.ts b/samples/client/petstore/typescript-angular-v19/builds/default/api.base.service.ts
index fd901a4f11e..0743145a27c 100644
--- a/samples/client/petstore/typescript-angular-v19/builds/default/api.base.service.ts
+++ b/samples/client/petstore/typescript-angular-v19/builds/default/api.base.service.ts
@@ -31,7 +31,7 @@ export class BaseService {
     protected addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
         // If the value is an object (but not a Date), recursively add its keys.
         if (typeof value === 'object' && !(value instanceof Date)) {
-            return this.addToHttpParamsRecursive(httpParams, value, key);
+            return this.addToHttpParamsRecursive(httpParams, value);
         }
         return this.addToHttpParamsRecursive(httpParams, value, key);
     }