feat: add Optimized to FeatureOnlineStore (#4790)

* feat: add Optimized to FeatureOnlineStore

PiperOrigin-RevId: 579291287

Source-Link: googleapis/googleapis@90a53d6

Source-Link: googleapis/googleapis-gen@94f8d8b
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packages/google-cloud-aiplatform/protos/google/cloud/aiplatform/v1beta1/feature_online_store.proto

@@ -18,6 +18,7 @@ package google.cloud.aiplatform.v1beta1;
 
 import "google/api/field_behavior.proto";
 import "google/api/resource.proto";
+import "google/cloud/aiplatform/v1beta1/service_networking.proto";
 import "google/protobuf/timestamp.proto";
 
 option csharp_namespace = "Google.Cloud.AIPlatform.V1Beta1";
@@ -60,12 +61,29 @@ message FeatureOnlineStore {
     AutoScaling auto_scaling = 1 [(google.api.field_behavior) = REQUIRED];
   }
 
-  // The dedicated serving endpoint for this FeatureOnlineStore.
+  // Optimized storage type to replace lightning
+  message Optimized {}
+
+  // The dedicated serving endpoint for this FeatureOnlineStore. Only need to
+  // set when you choose Optimized storage type or enable EmbeddingManagement.
+  // Will use public endpoint by default.
   message DedicatedServingEndpoint {
     // Output only. This field will be populated with the domain name to use for
     // this FeatureOnlineStore
     string public_endpoint_domain_name = 2
         [(google.api.field_behavior) = OUTPUT_ONLY];
+
+    // Optional. Private service connect config.
+    // If
+    // [PrivateServiceConnectConfig.enable_private_service_connect][google.cloud.aiplatform.v1beta1.PrivateServiceConnectConfig.enable_private_service_connect]
+    // set to true, customers will use private service connection to send
+    // request. Otherwise, the connection will set to public endpoint.
+    PrivateServiceConnectConfig private_service_connect_config = 3
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Output only. The name of the service attachment resource. Populated if
+    // private service connect is enabled and after FeatureViewSync is created.
+    string service_attachment = 4 [(google.api.field_behavior) = OUTPUT_ONLY];
   }
 
   // Contains settings for embedding management.
@@ -101,6 +119,13 @@ message FeatureOnlineStore {
     // to serve featureValues for all FeatureViews under this
     // FeatureOnlineStore.
     Bigtable bigtable = 8;
+
+    // Contains settings for the Optimized store that will be created
+    // to serve featureValues for all FeatureViews under this
+    // FeatureOnlineStore. When choose Optimized storage type, need to set
+    // [PrivateServiceConnectConfig.enable_private_service_connect][google.cloud.aiplatform.v1beta1.PrivateServiceConnectConfig.enable_private_service_connect]
+    // to use private endpoint. Otherwise will use public endpoint by default.
+    Optimized optimized = 12;
   }
 
   // Output only. Name of the FeatureOnlineStore. Format: