Add settings preference client

src/main/java/com/chargebee/v4/client/ClientMethods.java

@@ -28,6 +28,8 @@
 
 import com.chargebee.v4.services.ItemService;
 
+import com.chargebee.v4.services.PreferenceService;
+
 import com.chargebee.v4.services.RampService;
 
 import com.chargebee.v4.services.OmnichannelOneTimeOrderService;
@@ -74,6 +76,8 @@
 
 import com.chargebee.v4.services.ProductService;
 
+import com.chargebee.v4.services.PreferenceDefinitionService;
+
 import com.chargebee.v4.services.CouponCodeService;
 
 import com.chargebee.v4.services.AddressService;
@@ -304,6 +308,13 @@ public interface ClientMethods {
    */
   ItemService items();
 
+  /**
+   * Access preference-related operations.
+   *
+   * @return PreferenceService instance for fluent API access
+   */
+  PreferenceService preferences();
+
   /**
    * Access ramp-related operations.
    *
@@ -465,6 +476,13 @@ public interface ClientMethods {
    */
   ProductService products();
 
+  /**
+   * Access preference_definition-related operations.
+   *
+   * @return PreferenceDefinitionService instance for fluent API access
+   */
+  PreferenceDefinitionService preferenceDefinitions();
+
   /**
    * Access coupon_code-related operations.
    *

src/main/java/com/chargebee/v4/client/ClientMethodsImpl.java

@@ -28,6 +28,8 @@
 
 import com.chargebee.v4.services.ItemService;
 
+import com.chargebee.v4.services.PreferenceService;
+
 import com.chargebee.v4.services.RampService;
 
 import com.chargebee.v4.services.OmnichannelOneTimeOrderService;
@@ -74,6 +76,8 @@
 
 import com.chargebee.v4.services.ProductService;
 
+import com.chargebee.v4.services.PreferenceDefinitionService;
+
 import com.chargebee.v4.services.CouponCodeService;
 
 import com.chargebee.v4.services.AddressService;
@@ -278,6 +282,11 @@ public ItemService items() {
     return getServiceRegistry().items();
   }
 
+  @Override
+  public PreferenceService preferences() {
+    return getServiceRegistry().preferences();
+  }
+
   @Override
   public RampService ramps() {
     return getServiceRegistry().ramps();
@@ -393,6 +402,11 @@ public ProductService products() {
     return getServiceRegistry().products();
   }
 
+  @Override
+  public PreferenceDefinitionService preferenceDefinitions() {
+    return getServiceRegistry().preferenceDefinitions();
+  }
+
   @Override
   public CouponCodeService couponCodes() {
     return getServiceRegistry().couponCodes();

src/main/java/com/chargebee/v4/client/ServiceRegistry.java

@@ -28,6 +28,8 @@
 
 import com.chargebee.v4.services.ItemService;
 
+import com.chargebee.v4.services.PreferenceService;
+
 import com.chargebee.v4.services.RampService;
 
 import com.chargebee.v4.services.OmnichannelOneTimeOrderService;
@@ -74,6 +76,8 @@
 
 import com.chargebee.v4.services.ProductService;
 
+import com.chargebee.v4.services.PreferenceDefinitionService;
+
 import com.chargebee.v4.services.CouponCodeService;
 
 import com.chargebee.v4.services.AddressService;
@@ -235,6 +239,8 @@ final class ServiceRegistry {
 
   private volatile ItemService itemService;
 
+  private volatile PreferenceService preferenceService;
+
   private volatile RampService rampService;
 
   private volatile OmnichannelOneTimeOrderService omnichannelOneTimeOrderService;
@@ -281,6 +287,8 @@ final class ServiceRegistry {
 
   private volatile ProductService productService;
 
+  private volatile PreferenceDefinitionService preferenceDefinitionService;
+
   private volatile CouponCodeService couponCodeService;
 
   private volatile AddressService addressService;
@@ -621,6 +629,21 @@ ItemService items() {
     return itemService;
   }
 
+  /**
+   * Get or create the PreferenceService instance. Thread-safe lazy initialization using
+   * double-checked locking.
+   */
+  PreferenceService preferences() {
+    if (preferenceService == null) {
+      synchronized (this) {
+        if (preferenceService == null) {
+          preferenceService = new PreferenceService(client);
+        }
+      }
+    }
+    return preferenceService;
+  }
+
   /**
    * Get or create the RampService instance. Thread-safe lazy initialization using double-checked
    * locking.
@@ -966,6 +989,21 @@ ProductService products() {
     return productService;
   }
 
+  /**
+   * Get or create the PreferenceDefinitionService instance. Thread-safe lazy initialization using
+   * double-checked locking.
+   */
+  PreferenceDefinitionService preferenceDefinitions() {
+    if (preferenceDefinitionService == null) {
+      synchronized (this) {
+        if (preferenceDefinitionService == null) {
+          preferenceDefinitionService = new PreferenceDefinitionService(client);
+        }
+      }
+    }
+    return preferenceDefinitionService;
+  }
+
   /**
    * Get or create the CouponCodeService instance. Thread-safe lazy initialization using
    * double-checked locking.