docs: updates DEP proto comments

PiperOrigin-RevId: 609406502

google/cloud/networkservices/v1beta1/BUILD.bazel

@@ -329,6 +329,7 @@ load(
 
 csharp_proto_library(
     name = "networkservices_csharp_proto",
+    extra_opts = [],
     deps = [":networkservices_proto"],
 )
 

google/cloud/networkservices/v1beta1/dep.proto

@@ -165,7 +165,7 @@ service DepService {
 }
 
 // Load balancing schemes supported by the `LbTrafficExtension` resource and
-// `LbRouteExtension` resource. The valid values are: `INTERNAL_MANAGED`,
+// `LbRouteExtension` resource. The valid values are `INTERNAL_MANAGED` and
 // `EXTERNAL_MANAGED`.
 // For more information, refer to [Choosing a load
 // balancer](https://cloud.google.com/load-balancing/docs/backend-service).
@@ -191,13 +191,13 @@ message ExtensionChain {
     //
     // For more information, see
     // [CEL matcher language
-    // reference](https://cloud.google.com/service-extensions/docs/cel-matcher-language-reference).
+    // reference](/service-extensions/docs/cel-matcher-language-reference).
     string cel_expression = 1 [(google.api.field_behavior) = REQUIRED];
   }
 
   // A single extension in the chain to execute for the matching request.
   message Extension {
-    // Defines the part of the request or response for which this extension
+    // The part of the request or response for which this extension
     // is called.
     // The valid values are:
     // `REQUEST_HEADERS`, `REQUEST_BODY`, `RESPONSE_HEADERS`, `RESPONSE_BODY`.
@@ -230,15 +230,15 @@ message ExtensionChain {
     // last a letter or a number.
     string name = 1 [(google.api.field_behavior) = REQUIRED];
 
-    // Required. The `:authority` header in the gRPC request sent from Envoy
+    // Optional. The `:authority` header in the gRPC request sent from Envoy
     // to the extension service.
-    string authority = 2 [(google.api.field_behavior) = REQUIRED];
+    string authority = 2 [(google.api.field_behavior) = OPTIONAL];
 
     // Required. The reference to the service that runs the extension.
     //
-    // Currently only Callout extensions are supported here.
+    // Currently only callout extensions are supported here.
     //
-    // To configure a Callout extension, `service` must be a fully-qualified
+    // To configure a callout extension, `service` must be a fully-qualified
     // reference
     // to a [backend
     // service](https://cloud.google.com/compute/docs/reference/rest/v1/backendServices)
@@ -262,17 +262,17 @@ message ExtensionChain {
 
     // Optional. Determines how the proxy behaves if the call to the extension
     // fails or times out.
+    //
     // When set to `TRUE`, request or response processing continues without
     // error. Any subsequent extensions in the extension chain are also
-    // executed. When set to `FALSE`:
-    // * If response headers have not been delivered to the downstream
-    //  client, a generic 500 error is returned to the client. The error
-    //  response can be tailored by configuring a custom error response
-    //  in the load balancer.
+    // executed. When set to `FALSE` or the default setting of `FALSE` is used,
+    // one of the following happens:
+    // * If response headers have not been delivered to the downstream client,
+    // a generic 500 error is returned to the client. The error response can be
+    // tailored by configuring a custom error response in the load balancer.
     //
-    // * If response headers have been delivered, then the HTTP stream to
-    //  the downstream client is reset.
-    // Default is `FALSE`.
+    // * If response headers have been delivered, then the HTTP stream to the
+    // downstream client is reset.
     bool fail_open = 6 [(google.api.field_behavior) = OPTIONAL];
 
     // Optional. List of the HTTP headers to forward to the extension
@@ -334,8 +334,9 @@ message LbTrafficExtension {
 
   // Optional. Set of labels associated with the `LbTrafficExtension` resource.
   //
-  // The format must comply with [the following
-  // requirements](/compute/docs/labeling-resources#requirements).
+  // The format must comply with [the requirements for
+  // labels](/compute/docs/labeling-resources#requirements) for Google Cloud
+  // resources.
   map<string, string> labels = 4 [(google.api.field_behavior) = OPTIONAL];
 
   // Required. A list of references to the forwarding rules to which this
@@ -545,8 +546,9 @@ message LbRouteExtension {
 
   // Optional. Set of labels associated with the `LbRouteExtension` resource.
   //
-  // The format must comply with [the following
-  // requirements](/compute/docs/labeling-resources#requirements).
+  // The format must comply with [the requirements for
+  // labels](/compute/docs/labeling-resources#requirements) for Google Cloud
+  // resources.
   map<string, string> labels = 4 [(google.api.field_behavior) = OPTIONAL];
 
   // Required. A list of references to the forwarding rules to which this