chore: update go_package and Go importpath

docs: annotate QuotaPreference.dimensions field as immutable, annotate QuotaPreference.QuotaConfig.annotations field as optional

PiperOrigin-RevId: 617759942

google/api/cloudquotas/v1/cloudquotas_v1.yaml

@@ -21,7 +21,7 @@ authentication:
 
 publishing:
   new_issue_uri: https://issuetracker.google.com/issues/new?component=445904
-  documentation_uri: https://cloud.google.com/docs/quota/api-overview
+  documentation_uri: https://cloud.google.com/docs/quotas/api-overview
   api_short_name: cloudquotas
   github_label: 'api: cloudquotas'
   doc_tag_prefix: cloudquotas

google/api/cloudquotas/v1/resources.proto

@@ -180,9 +180,9 @@ message QuotaPreference {
   // `projects/123/locations/global/quotaPreferences/my-config-for-us-east1`
   string name = 1;
 
-  // The dimensions that this quota preference applies to. The key of the map
-  // entry is the name of a dimension, such as "region", "zone", "network_id",
-  // and the value of the map entry is the dimension value.
+  // Immutable. The dimensions that this quota preference applies to. The key of
+  // the map entry is the name of a dimension, such as "region", "zone",
+  // "network_id", and the value of the map entry is the dimension value.
   //
   // If a dimension is missing from the map of dimensions, the quota preference
   // applies to all the dimension values except for those that have other quota
@@ -194,7 +194,7 @@ message QuotaPreference {
   //
   // Example: {"provider", "Foo Inc"} where "provider" is a service specific
   // dimension.
-  map<string, string> dimensions = 2;
+  map<string, string> dimensions = 2 [(google.api.field_behavior) = IMMUTABLE];
 
   // Required. Preferred quota configuration.
   QuotaConfig quota_config = 3 [(google.api.field_behavior) = REQUIRED];
@@ -272,10 +272,10 @@ message QuotaConfig {
   // quota decrease requests do not have a trace id.
   string trace_id = 4 [(google.api.field_behavior) = OUTPUT_ONLY];
 
-  // The annotations map for clients to store small amounts of arbitrary data.
-  // Do not put PII or other sensitive information here.
-  // See https://google.aip.dev/128#annotations
-  map<string, string> annotations = 5;
+  // Optional. The annotations map for clients to store small amounts of
+  // arbitrary data. Do not put PII or other sensitive information here. See
+  // https://google.aip.dev/128#annotations
+  map<string, string> annotations = 5 [(google.api.field_behavior) = OPTIONAL];
 
   // Output only. The origin of the quota preference request.
   Origin request_origin = 6 [(google.api.field_behavior) = OUTPUT_ONLY];