diff --git a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/Departments.java b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/Departments.java
index fca31e4619c91..ee3ec99c8b898 100644
--- a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/Departments.java
+++ b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/Departments.java
@@ -23,7 +23,7 @@ public interface Departments extends HasInner<DepartmentsInner> {
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the observable for the request
      */
-    Observable<DepartmentListResult> listByBillingAccountAsync(String billingAccountName);
+    Observable<DepartmentListResult> listByBillingAccountNameAsync(String billingAccountName);
 
     /**
      * Get the department by id.
diff --git a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/EnrollmentAccounts.java b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/EnrollmentAccounts.java
index fd18081164f1d..223746844310e 100644
--- a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/EnrollmentAccounts.java
+++ b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/EnrollmentAccounts.java
@@ -23,7 +23,7 @@ public interface EnrollmentAccounts extends HasInner<EnrollmentAccountsInner> {
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the observable for the request
      */
-    Observable<EnrollmentAccountListResult> listByBillingAccountAsync(String billingAccountName);
+    Observable<EnrollmentAccountListResult> listByBillingAccountNameAsync(String billingAccountName);
 
     /**
      * Get the enrollment account by id.
diff --git a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/RecipientTransfers.java b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/RecipientTransfers.java
index fa53ce2e0008b..ee71b2f440ccc 100644
--- a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/RecipientTransfers.java
+++ b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/RecipientTransfers.java
@@ -25,6 +25,15 @@ public interface RecipientTransfers extends HasInner<RecipientTransfersInner> {
      */
     Observable<RecipientTransferDetails> acceptAsync(String transferName);
 
+    /**
+     * Validates if the products can be transferred in the context of the given transfer name.
+     *
+     * @param transferName Transfer Name.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable for the request
+     */
+    Observable<ValidateTransferListResponse> validateAsync(String transferName);
+
     /**
      * Declines the transfer with given transfer Id.
      *
diff --git a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/DepartmentsImpl.java b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/DepartmentsImpl.java
index be5024abca751..e4f534ea3c37c 100644
--- a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/DepartmentsImpl.java
+++ b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/DepartmentsImpl.java
@@ -33,9 +33,9 @@ private DepartmentImpl wrapModel(DepartmentInner inner) {
     }
 
     @Override
-    public Observable<DepartmentListResult> listByBillingAccountAsync(String billingAccountName) {
+    public Observable<DepartmentListResult> listByBillingAccountNameAsync(String billingAccountName) {
         DepartmentsInner client = this.inner();
-        return client.listByBillingAccountAsync(billingAccountName)
+        return client.listByBillingAccountNameAsync(billingAccountName)
         .map(new Func1<DepartmentListResultInner, DepartmentListResult>() {
             @Override
             public DepartmentListResult call(DepartmentListResultInner inner) {
diff --git a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/DepartmentsInner.java b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/DepartmentsInner.java
index 662ab394fff20..ecc73c61fd1a9 100644
--- a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/DepartmentsInner.java
+++ b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/DepartmentsInner.java
@@ -51,9 +51,9 @@ public DepartmentsInner(Retrofit retrofit, BillingManagementClientImpl client) {
      * used by Retrofit to perform actually REST calls.
      */
     interface DepartmentsService {
-        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.billing.v2019_10_01_preview.Departments listByBillingAccount" })
+        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.billing.v2019_10_01_preview.Departments listByBillingAccountName" })
         @GET("providers/Microsoft.Billing/billingAccounts/{billingAccountName}/departments")
-        Observable<Response<ResponseBody>> listByBillingAccount(@Path("billingAccountName") String billingAccountName, @Query("api-version") String apiVersion, @Query("$expand") String expand, @Query("$filter") String filter, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);
+        Observable<Response<ResponseBody>> listByBillingAccountName(@Path("billingAccountName") String billingAccountName, @Query("api-version") String apiVersion, @Query("$expand") String expand, @Query("$filter") String filter, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);
 
         @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.billing.v2019_10_01_preview.Departments get" })
         @GET("providers/Microsoft.Billing/billingAccounts/{billingAccountName}/departments/{departmentName}")
@@ -70,8 +70,8 @@ interface DepartmentsService {
      * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
      * @return the DepartmentListResultInner object if successful.
      */
-    public DepartmentListResultInner listByBillingAccount(String billingAccountName) {
-        return listByBillingAccountWithServiceResponseAsync(billingAccountName).toBlocking().single().body();
+    public DepartmentListResultInner listByBillingAccountName(String billingAccountName) {
+        return listByBillingAccountNameWithServiceResponseAsync(billingAccountName).toBlocking().single().body();
     }
 
     /**
@@ -82,8 +82,8 @@ public DepartmentListResultInner listByBillingAccount(String billingAccountName)
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the {@link ServiceFuture} object
      */
-    public ServiceFuture<DepartmentListResultInner> listByBillingAccountAsync(String billingAccountName, final ServiceCallback<DepartmentListResultInner> serviceCallback) {
-        return ServiceFuture.fromResponse(listByBillingAccountWithServiceResponseAsync(billingAccountName), serviceCallback);
+    public ServiceFuture<DepartmentListResultInner> listByBillingAccountNameAsync(String billingAccountName, final ServiceCallback<DepartmentListResultInner> serviceCallback) {
+        return ServiceFuture.fromResponse(listByBillingAccountNameWithServiceResponseAsync(billingAccountName), serviceCallback);
     }
 
     /**
@@ -93,8 +93,8 @@ public ServiceFuture<DepartmentListResultInner> listByBillingAccountAsync(String
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the observable to the DepartmentListResultInner object
      */
-    public Observable<DepartmentListResultInner> listByBillingAccountAsync(String billingAccountName) {
-        return listByBillingAccountWithServiceResponseAsync(billingAccountName).map(new Func1<ServiceResponse<DepartmentListResultInner>, DepartmentListResultInner>() {
+    public Observable<DepartmentListResultInner> listByBillingAccountNameAsync(String billingAccountName) {
+        return listByBillingAccountNameWithServiceResponseAsync(billingAccountName).map(new Func1<ServiceResponse<DepartmentListResultInner>, DepartmentListResultInner>() {
             @Override
             public DepartmentListResultInner call(ServiceResponse<DepartmentListResultInner> response) {
                 return response.body();
@@ -109,7 +109,7 @@ public DepartmentListResultInner call(ServiceResponse<DepartmentListResultInner>
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the observable to the DepartmentListResultInner object
      */
-    public Observable<ServiceResponse<DepartmentListResultInner>> listByBillingAccountWithServiceResponseAsync(String billingAccountName) {
+    public Observable<ServiceResponse<DepartmentListResultInner>> listByBillingAccountNameWithServiceResponseAsync(String billingAccountName) {
         if (billingAccountName == null) {
             throw new IllegalArgumentException("Parameter billingAccountName is required and cannot be null.");
         }
@@ -118,12 +118,12 @@ public Observable<ServiceResponse<DepartmentListResultInner>> listByBillingAccou
         }
         final String expand = null;
         final String filter = null;
-        return service.listByBillingAccount(billingAccountName, this.client.apiVersion(), expand, filter, this.client.acceptLanguage(), this.client.userAgent())
+        return service.listByBillingAccountName(billingAccountName, this.client.apiVersion(), expand, filter, this.client.acceptLanguage(), this.client.userAgent())
             .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<DepartmentListResultInner>>>() {
                 @Override
                 public Observable<ServiceResponse<DepartmentListResultInner>> call(Response<ResponseBody> response) {
                     try {
-                        ServiceResponse<DepartmentListResultInner> clientResponse = listByBillingAccountDelegate(response);
+                        ServiceResponse<DepartmentListResultInner> clientResponse = listByBillingAccountNameDelegate(response);
                         return Observable.just(clientResponse);
                     } catch (Throwable t) {
                         return Observable.error(t);
@@ -143,8 +143,8 @@ public Observable<ServiceResponse<DepartmentListResultInner>> call(Response<Resp
      * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
      * @return the DepartmentListResultInner object if successful.
      */
-    public DepartmentListResultInner listByBillingAccount(String billingAccountName, String expand, String filter) {
-        return listByBillingAccountWithServiceResponseAsync(billingAccountName, expand, filter).toBlocking().single().body();
+    public DepartmentListResultInner listByBillingAccountName(String billingAccountName, String expand, String filter) {
+        return listByBillingAccountNameWithServiceResponseAsync(billingAccountName, expand, filter).toBlocking().single().body();
     }
 
     /**
@@ -157,8 +157,8 @@ public DepartmentListResultInner listByBillingAccount(String billingAccountName,
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the {@link ServiceFuture} object
      */
-    public ServiceFuture<DepartmentListResultInner> listByBillingAccountAsync(String billingAccountName, String expand, String filter, final ServiceCallback<DepartmentListResultInner> serviceCallback) {
-        return ServiceFuture.fromResponse(listByBillingAccountWithServiceResponseAsync(billingAccountName, expand, filter), serviceCallback);
+    public ServiceFuture<DepartmentListResultInner> listByBillingAccountNameAsync(String billingAccountName, String expand, String filter, final ServiceCallback<DepartmentListResultInner> serviceCallback) {
+        return ServiceFuture.fromResponse(listByBillingAccountNameWithServiceResponseAsync(billingAccountName, expand, filter), serviceCallback);
     }
 
     /**
@@ -170,8 +170,8 @@ public ServiceFuture<DepartmentListResultInner> listByBillingAccountAsync(String
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the observable to the DepartmentListResultInner object
      */
-    public Observable<DepartmentListResultInner> listByBillingAccountAsync(String billingAccountName, String expand, String filter) {
-        return listByBillingAccountWithServiceResponseAsync(billingAccountName, expand, filter).map(new Func1<ServiceResponse<DepartmentListResultInner>, DepartmentListResultInner>() {
+    public Observable<DepartmentListResultInner> listByBillingAccountNameAsync(String billingAccountName, String expand, String filter) {
+        return listByBillingAccountNameWithServiceResponseAsync(billingAccountName, expand, filter).map(new Func1<ServiceResponse<DepartmentListResultInner>, DepartmentListResultInner>() {
             @Override
             public DepartmentListResultInner call(ServiceResponse<DepartmentListResultInner> response) {
                 return response.body();
@@ -188,19 +188,19 @@ public DepartmentListResultInner call(ServiceResponse<DepartmentListResultInner>
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the observable to the DepartmentListResultInner object
      */
-    public Observable<ServiceResponse<DepartmentListResultInner>> listByBillingAccountWithServiceResponseAsync(String billingAccountName, String expand, String filter) {
+    public Observable<ServiceResponse<DepartmentListResultInner>> listByBillingAccountNameWithServiceResponseAsync(String billingAccountName, String expand, String filter) {
         if (billingAccountName == null) {
             throw new IllegalArgumentException("Parameter billingAccountName is required and cannot be null.");
         }
         if (this.client.apiVersion() == null) {
             throw new IllegalArgumentException("Parameter this.client.apiVersion() is required and cannot be null.");
         }
-        return service.listByBillingAccount(billingAccountName, this.client.apiVersion(), expand, filter, this.client.acceptLanguage(), this.client.userAgent())
+        return service.listByBillingAccountName(billingAccountName, this.client.apiVersion(), expand, filter, this.client.acceptLanguage(), this.client.userAgent())
             .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<DepartmentListResultInner>>>() {
                 @Override
                 public Observable<ServiceResponse<DepartmentListResultInner>> call(Response<ResponseBody> response) {
                     try {
-                        ServiceResponse<DepartmentListResultInner> clientResponse = listByBillingAccountDelegate(response);
+                        ServiceResponse<DepartmentListResultInner> clientResponse = listByBillingAccountNameDelegate(response);
                         return Observable.just(clientResponse);
                     } catch (Throwable t) {
                         return Observable.error(t);
@@ -209,7 +209,7 @@ public Observable<ServiceResponse<DepartmentListResultInner>> call(Response<Resp
             });
     }
 
-    private ServiceResponse<DepartmentListResultInner> listByBillingAccountDelegate(Response<ResponseBody> response) throws ErrorResponseException, IOException, IllegalArgumentException {
+    private ServiceResponse<DepartmentListResultInner> listByBillingAccountNameDelegate(Response<ResponseBody> response) throws ErrorResponseException, IOException, IllegalArgumentException {
         return this.client.restClient().responseBuilderFactory().<DepartmentListResultInner, ErrorResponseException>newInstance(this.client.serializerAdapter())
                 .register(200, new TypeToken<DepartmentListResultInner>() { }.getType())
                 .registerError(ErrorResponseException.class)
diff --git a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/EnrollmentAccountsImpl.java b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/EnrollmentAccountsImpl.java
index 20d8743915a58..937bbde483b6e 100644
--- a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/EnrollmentAccountsImpl.java
+++ b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/EnrollmentAccountsImpl.java
@@ -33,9 +33,9 @@ private EnrollmentAccountImpl wrapModel(EnrollmentAccountInner inner) {
     }
 
     @Override
-    public Observable<EnrollmentAccountListResult> listByBillingAccountAsync(String billingAccountName) {
+    public Observable<EnrollmentAccountListResult> listByBillingAccountNameAsync(String billingAccountName) {
         EnrollmentAccountsInner client = this.inner();
-        return client.listByBillingAccountAsync(billingAccountName)
+        return client.listByBillingAccountNameAsync(billingAccountName)
         .map(new Func1<EnrollmentAccountListResultInner, EnrollmentAccountListResult>() {
             @Override
             public EnrollmentAccountListResult call(EnrollmentAccountListResultInner inner) {
diff --git a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/EnrollmentAccountsInner.java b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/EnrollmentAccountsInner.java
index 536f275a2d580..37e09e04fe11a 100644
--- a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/EnrollmentAccountsInner.java
+++ b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/EnrollmentAccountsInner.java
@@ -51,9 +51,9 @@ public EnrollmentAccountsInner(Retrofit retrofit, BillingManagementClientImpl cl
      * used by Retrofit to perform actually REST calls.
      */
     interface EnrollmentAccountsService {
-        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.billing.v2019_10_01_preview.EnrollmentAccounts listByBillingAccount" })
+        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.billing.v2019_10_01_preview.EnrollmentAccounts listByBillingAccountName" })
         @GET("providers/Microsoft.Billing/billingAccounts/{billingAccountName}/enrollmentAccounts")
-        Observable<Response<ResponseBody>> listByBillingAccount(@Path("billingAccountName") String billingAccountName, @Query("api-version") String apiVersion, @Query("$expand") String expand, @Query("$filter") String filter, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);
+        Observable<Response<ResponseBody>> listByBillingAccountName(@Path("billingAccountName") String billingAccountName, @Query("api-version") String apiVersion, @Query("$expand") String expand, @Query("$filter") String filter, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);
 
         @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.billing.v2019_10_01_preview.EnrollmentAccounts getByEnrollmentAccountId" })
         @GET("providers/Microsoft.Billing/billingAccounts/{billingAccountName}/enrollmentAccounts/{enrollmentAccountName}")
@@ -70,8 +70,8 @@ interface EnrollmentAccountsService {
      * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
      * @return the EnrollmentAccountListResultInner object if successful.
      */
-    public EnrollmentAccountListResultInner listByBillingAccount(String billingAccountName) {
-        return listByBillingAccountWithServiceResponseAsync(billingAccountName).toBlocking().single().body();
+    public EnrollmentAccountListResultInner listByBillingAccountName(String billingAccountName) {
+        return listByBillingAccountNameWithServiceResponseAsync(billingAccountName).toBlocking().single().body();
     }
 
     /**
@@ -82,8 +82,8 @@ public EnrollmentAccountListResultInner listByBillingAccount(String billingAccou
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the {@link ServiceFuture} object
      */
-    public ServiceFuture<EnrollmentAccountListResultInner> listByBillingAccountAsync(String billingAccountName, final ServiceCallback<EnrollmentAccountListResultInner> serviceCallback) {
-        return ServiceFuture.fromResponse(listByBillingAccountWithServiceResponseAsync(billingAccountName), serviceCallback);
+    public ServiceFuture<EnrollmentAccountListResultInner> listByBillingAccountNameAsync(String billingAccountName, final ServiceCallback<EnrollmentAccountListResultInner> serviceCallback) {
+        return ServiceFuture.fromResponse(listByBillingAccountNameWithServiceResponseAsync(billingAccountName), serviceCallback);
     }
 
     /**
@@ -93,8 +93,8 @@ public ServiceFuture<EnrollmentAccountListResultInner> listByBillingAccountAsync
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the observable to the EnrollmentAccountListResultInner object
      */
-    public Observable<EnrollmentAccountListResultInner> listByBillingAccountAsync(String billingAccountName) {
-        return listByBillingAccountWithServiceResponseAsync(billingAccountName).map(new Func1<ServiceResponse<EnrollmentAccountListResultInner>, EnrollmentAccountListResultInner>() {
+    public Observable<EnrollmentAccountListResultInner> listByBillingAccountNameAsync(String billingAccountName) {
+        return listByBillingAccountNameWithServiceResponseAsync(billingAccountName).map(new Func1<ServiceResponse<EnrollmentAccountListResultInner>, EnrollmentAccountListResultInner>() {
             @Override
             public EnrollmentAccountListResultInner call(ServiceResponse<EnrollmentAccountListResultInner> response) {
                 return response.body();
@@ -109,7 +109,7 @@ public EnrollmentAccountListResultInner call(ServiceResponse<EnrollmentAccountLi
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the observable to the EnrollmentAccountListResultInner object
      */
-    public Observable<ServiceResponse<EnrollmentAccountListResultInner>> listByBillingAccountWithServiceResponseAsync(String billingAccountName) {
+    public Observable<ServiceResponse<EnrollmentAccountListResultInner>> listByBillingAccountNameWithServiceResponseAsync(String billingAccountName) {
         if (billingAccountName == null) {
             throw new IllegalArgumentException("Parameter billingAccountName is required and cannot be null.");
         }
@@ -118,12 +118,12 @@ public Observable<ServiceResponse<EnrollmentAccountListResultInner>> listByBilli
         }
         final String expand = null;
         final String filter = null;
-        return service.listByBillingAccount(billingAccountName, this.client.apiVersion(), expand, filter, this.client.acceptLanguage(), this.client.userAgent())
+        return service.listByBillingAccountName(billingAccountName, this.client.apiVersion(), expand, filter, this.client.acceptLanguage(), this.client.userAgent())
             .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<EnrollmentAccountListResultInner>>>() {
                 @Override
                 public Observable<ServiceResponse<EnrollmentAccountListResultInner>> call(Response<ResponseBody> response) {
                     try {
-                        ServiceResponse<EnrollmentAccountListResultInner> clientResponse = listByBillingAccountDelegate(response);
+                        ServiceResponse<EnrollmentAccountListResultInner> clientResponse = listByBillingAccountNameDelegate(response);
                         return Observable.just(clientResponse);
                     } catch (Throwable t) {
                         return Observable.error(t);
@@ -143,8 +143,8 @@ public Observable<ServiceResponse<EnrollmentAccountListResultInner>> call(Respon
      * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
      * @return the EnrollmentAccountListResultInner object if successful.
      */
-    public EnrollmentAccountListResultInner listByBillingAccount(String billingAccountName, String expand, String filter) {
-        return listByBillingAccountWithServiceResponseAsync(billingAccountName, expand, filter).toBlocking().single().body();
+    public EnrollmentAccountListResultInner listByBillingAccountName(String billingAccountName, String expand, String filter) {
+        return listByBillingAccountNameWithServiceResponseAsync(billingAccountName, expand, filter).toBlocking().single().body();
     }
 
     /**
@@ -157,8 +157,8 @@ public EnrollmentAccountListResultInner listByBillingAccount(String billingAccou
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the {@link ServiceFuture} object
      */
-    public ServiceFuture<EnrollmentAccountListResultInner> listByBillingAccountAsync(String billingAccountName, String expand, String filter, final ServiceCallback<EnrollmentAccountListResultInner> serviceCallback) {
-        return ServiceFuture.fromResponse(listByBillingAccountWithServiceResponseAsync(billingAccountName, expand, filter), serviceCallback);
+    public ServiceFuture<EnrollmentAccountListResultInner> listByBillingAccountNameAsync(String billingAccountName, String expand, String filter, final ServiceCallback<EnrollmentAccountListResultInner> serviceCallback) {
+        return ServiceFuture.fromResponse(listByBillingAccountNameWithServiceResponseAsync(billingAccountName, expand, filter), serviceCallback);
     }
 
     /**
@@ -170,8 +170,8 @@ public ServiceFuture<EnrollmentAccountListResultInner> listByBillingAccountAsync
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the observable to the EnrollmentAccountListResultInner object
      */
-    public Observable<EnrollmentAccountListResultInner> listByBillingAccountAsync(String billingAccountName, String expand, String filter) {
-        return listByBillingAccountWithServiceResponseAsync(billingAccountName, expand, filter).map(new Func1<ServiceResponse<EnrollmentAccountListResultInner>, EnrollmentAccountListResultInner>() {
+    public Observable<EnrollmentAccountListResultInner> listByBillingAccountNameAsync(String billingAccountName, String expand, String filter) {
+        return listByBillingAccountNameWithServiceResponseAsync(billingAccountName, expand, filter).map(new Func1<ServiceResponse<EnrollmentAccountListResultInner>, EnrollmentAccountListResultInner>() {
             @Override
             public EnrollmentAccountListResultInner call(ServiceResponse<EnrollmentAccountListResultInner> response) {
                 return response.body();
@@ -188,19 +188,19 @@ public EnrollmentAccountListResultInner call(ServiceResponse<EnrollmentAccountLi
      * @throws IllegalArgumentException thrown if parameters fail the validation
      * @return the observable to the EnrollmentAccountListResultInner object
      */
-    public Observable<ServiceResponse<EnrollmentAccountListResultInner>> listByBillingAccountWithServiceResponseAsync(String billingAccountName, String expand, String filter) {
+    public Observable<ServiceResponse<EnrollmentAccountListResultInner>> listByBillingAccountNameWithServiceResponseAsync(String billingAccountName, String expand, String filter) {
         if (billingAccountName == null) {
             throw new IllegalArgumentException("Parameter billingAccountName is required and cannot be null.");
         }
         if (this.client.apiVersion() == null) {
             throw new IllegalArgumentException("Parameter this.client.apiVersion() is required and cannot be null.");
         }
-        return service.listByBillingAccount(billingAccountName, this.client.apiVersion(), expand, filter, this.client.acceptLanguage(), this.client.userAgent())
+        return service.listByBillingAccountName(billingAccountName, this.client.apiVersion(), expand, filter, this.client.acceptLanguage(), this.client.userAgent())
             .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<EnrollmentAccountListResultInner>>>() {
                 @Override
                 public Observable<ServiceResponse<EnrollmentAccountListResultInner>> call(Response<ResponseBody> response) {
                     try {
-                        ServiceResponse<EnrollmentAccountListResultInner> clientResponse = listByBillingAccountDelegate(response);
+                        ServiceResponse<EnrollmentAccountListResultInner> clientResponse = listByBillingAccountNameDelegate(response);
                         return Observable.just(clientResponse);
                     } catch (Throwable t) {
                         return Observable.error(t);
@@ -209,7 +209,7 @@ public Observable<ServiceResponse<EnrollmentAccountListResultInner>> call(Respon
             });
     }
 
-    private ServiceResponse<EnrollmentAccountListResultInner> listByBillingAccountDelegate(Response<ResponseBody> response) throws ErrorResponseException, IOException, IllegalArgumentException {
+    private ServiceResponse<EnrollmentAccountListResultInner> listByBillingAccountNameDelegate(Response<ResponseBody> response) throws ErrorResponseException, IOException, IllegalArgumentException {
         return this.client.restClient().responseBuilderFactory().<EnrollmentAccountListResultInner, ErrorResponseException>newInstance(this.client.serializerAdapter())
                 .register(200, new TypeToken<EnrollmentAccountListResultInner>() { }.getType())
                 .registerError(ErrorResponseException.class)
diff --git a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/RecipientTransfersImpl.java b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/RecipientTransfersImpl.java
index fe51097b546ac..c189864fb1a6b 100644
--- a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/RecipientTransfersImpl.java
+++ b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/RecipientTransfersImpl.java
@@ -15,6 +15,7 @@
 import rx.Observable;
 import com.microsoft.azure.Page;
 import com.microsoft.azure.management.billing.v2019_10_01_preview.RecipientTransferDetails;
+import com.microsoft.azure.management.billing.v2019_10_01_preview.ValidateTransferListResponse;
 
 class RecipientTransfersImpl extends WrapperImpl<RecipientTransfersInner> implements RecipientTransfers {
     private final BillingManager manager;
@@ -40,6 +41,18 @@ public RecipientTransferDetails call(RecipientTransferDetailsInner inner) {
         });
     }
 
+    @Override
+    public Observable<ValidateTransferListResponse> validateAsync(String transferName) {
+        RecipientTransfersInner client = this.inner();
+        return client.validateAsync(transferName)
+        .map(new Func1<ValidateTransferListResponseInner, ValidateTransferListResponse>() {
+            @Override
+            public ValidateTransferListResponse call(ValidateTransferListResponseInner inner) {
+                return new ValidateTransferListResponseImpl(inner, manager());
+            }
+        });
+    }
+
     @Override
     public Observable<RecipientTransferDetails> declineAsync(String transferName) {
         RecipientTransfersInner client = this.inner();
diff --git a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/RecipientTransfersInner.java b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/RecipientTransfersInner.java
index 1669ea16f254d..d09881ea19db8 100644
--- a/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/RecipientTransfersInner.java
+++ b/billing/resource-manager/v2019_10_01_preview/src/main/java/com/microsoft/azure/management/billing/v2019_10_01_preview/implementation/RecipientTransfersInner.java
@@ -65,6 +65,10 @@ interface RecipientTransfersService {
         @POST("providers/Microsoft.Billing/transfers/{transferName}/acceptTransfer")
         Observable<Response<ResponseBody>> accept(@Path("transferName") String transferName, @Header("accept-language") String acceptLanguage, @Body AcceptTransferRequest parameters, @Header("User-Agent") String userAgent);
 
+        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.billing.v2019_10_01_preview.RecipientTransfers validate" })
+        @POST("providers/Microsoft.Billing/transfers/{transferName}/validateTransfer")
+        Observable<Response<ResponseBody>> validate(@Path("transferName") String transferName, @Header("accept-language") String acceptLanguage, @Body AcceptTransferRequest parameters, @Header("User-Agent") String userAgent);
+
         @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.billing.v2019_10_01_preview.RecipientTransfers decline" })
         @POST("providers/Microsoft.Billing/transfers/{transferName}/declineTransfer")
         Observable<Response<ResponseBody>> decline(@Path("transferName") String transferName, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);
@@ -232,6 +236,155 @@ private ServiceResponse<RecipientTransferDetailsInner> acceptDelegate(Response<R
                 .build(response);
     }
 
+    /**
+     * Validates if the products can be transferred in the context of the given transfer name.
+     *
+     * @param transferName Transfer Name.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @throws ErrorResponseException thrown if the request is rejected by server
+     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
+     * @return the ValidateTransferListResponseInner object if successful.
+     */
+    public ValidateTransferListResponseInner validate(String transferName) {
+        return validateWithServiceResponseAsync(transferName).toBlocking().single().body();
+    }
+
+    /**
+     * Validates if the products can be transferred in the context of the given transfer name.
+     *
+     * @param transferName Transfer Name.
+     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the {@link ServiceFuture} object
+     */
+    public ServiceFuture<ValidateTransferListResponseInner> validateAsync(String transferName, final ServiceCallback<ValidateTransferListResponseInner> serviceCallback) {
+        return ServiceFuture.fromResponse(validateWithServiceResponseAsync(transferName), serviceCallback);
+    }
+
+    /**
+     * Validates if the products can be transferred in the context of the given transfer name.
+     *
+     * @param transferName Transfer Name.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable to the ValidateTransferListResponseInner object
+     */
+    public Observable<ValidateTransferListResponseInner> validateAsync(String transferName) {
+        return validateWithServiceResponseAsync(transferName).map(new Func1<ServiceResponse<ValidateTransferListResponseInner>, ValidateTransferListResponseInner>() {
+            @Override
+            public ValidateTransferListResponseInner call(ServiceResponse<ValidateTransferListResponseInner> response) {
+                return response.body();
+            }
+        });
+    }
+
+    /**
+     * Validates if the products can be transferred in the context of the given transfer name.
+     *
+     * @param transferName Transfer Name.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable to the ValidateTransferListResponseInner object
+     */
+    public Observable<ServiceResponse<ValidateTransferListResponseInner>> validateWithServiceResponseAsync(String transferName) {
+        if (transferName == null) {
+            throw new IllegalArgumentException("Parameter transferName is required and cannot be null.");
+        }
+        final List<ProductDetails> productDetails = null;
+        AcceptTransferRequest parameters = new AcceptTransferRequest();
+        parameters.withProductDetails(null);
+        return service.validate(transferName, this.client.acceptLanguage(), parameters, this.client.userAgent())
+            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<ValidateTransferListResponseInner>>>() {
+                @Override
+                public Observable<ServiceResponse<ValidateTransferListResponseInner>> call(Response<ResponseBody> response) {
+                    try {
+                        ServiceResponse<ValidateTransferListResponseInner> clientResponse = validateDelegate(response);
+                        return Observable.just(clientResponse);
+                    } catch (Throwable t) {
+                        return Observable.error(t);
+                    }
+                }
+            });
+    }
+
+    /**
+     * Validates if the products can be transferred in the context of the given transfer name.
+     *
+     * @param transferName Transfer Name.
+     * @param productDetails Request parameters to accept transfer.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @throws ErrorResponseException thrown if the request is rejected by server
+     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
+     * @return the ValidateTransferListResponseInner object if successful.
+     */
+    public ValidateTransferListResponseInner validate(String transferName, List<ProductDetails> productDetails) {
+        return validateWithServiceResponseAsync(transferName, productDetails).toBlocking().single().body();
+    }
+
+    /**
+     * Validates if the products can be transferred in the context of the given transfer name.
+     *
+     * @param transferName Transfer Name.
+     * @param productDetails Request parameters to accept transfer.
+     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the {@link ServiceFuture} object
+     */
+    public ServiceFuture<ValidateTransferListResponseInner> validateAsync(String transferName, List<ProductDetails> productDetails, final ServiceCallback<ValidateTransferListResponseInner> serviceCallback) {
+        return ServiceFuture.fromResponse(validateWithServiceResponseAsync(transferName, productDetails), serviceCallback);
+    }
+
+    /**
+     * Validates if the products can be transferred in the context of the given transfer name.
+     *
+     * @param transferName Transfer Name.
+     * @param productDetails Request parameters to accept transfer.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable to the ValidateTransferListResponseInner object
+     */
+    public Observable<ValidateTransferListResponseInner> validateAsync(String transferName, List<ProductDetails> productDetails) {
+        return validateWithServiceResponseAsync(transferName, productDetails).map(new Func1<ServiceResponse<ValidateTransferListResponseInner>, ValidateTransferListResponseInner>() {
+            @Override
+            public ValidateTransferListResponseInner call(ServiceResponse<ValidateTransferListResponseInner> response) {
+                return response.body();
+            }
+        });
+    }
+
+    /**
+     * Validates if the products can be transferred in the context of the given transfer name.
+     *
+     * @param transferName Transfer Name.
+     * @param productDetails Request parameters to accept transfer.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable to the ValidateTransferListResponseInner object
+     */
+    public Observable<ServiceResponse<ValidateTransferListResponseInner>> validateWithServiceResponseAsync(String transferName, List<ProductDetails> productDetails) {
+        if (transferName == null) {
+            throw new IllegalArgumentException("Parameter transferName is required and cannot be null.");
+        }
+        Validator.validate(productDetails);
+        AcceptTransferRequest parameters = new AcceptTransferRequest();
+        parameters.withProductDetails(productDetails);
+        return service.validate(transferName, this.client.acceptLanguage(), parameters, this.client.userAgent())
+            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<ValidateTransferListResponseInner>>>() {
+                @Override
+                public Observable<ServiceResponse<ValidateTransferListResponseInner>> call(Response<ResponseBody> response) {
+                    try {
+                        ServiceResponse<ValidateTransferListResponseInner> clientResponse = validateDelegate(response);
+                        return Observable.just(clientResponse);
+                    } catch (Throwable t) {
+                        return Observable.error(t);
+                    }
+                }
+            });
+    }
+
+    private ServiceResponse<ValidateTransferListResponseInner> validateDelegate(Response<ResponseBody> response) throws ErrorResponseException, IOException, IllegalArgumentException {
+        return this.client.restClient().responseBuilderFactory().<ValidateTransferListResponseInner, ErrorResponseException>newInstance(this.client.serializerAdapter())
+                .register(200, new TypeToken<ValidateTransferListResponseInner>() { }.getType())
+                .registerError(ErrorResponseException.class)
+                .build(response);
+    }
+
     /**
      * Declines the transfer with given transfer Id.
      *