fix: Fix service_tier enums.

MarkDaoust · copybara-github · commit 9bdc2ae519e7 · 2026-03-31T16:38:22.000-07:00
PiperOrigin-RevId: 892604542
diff --git a/api-report/genai-node.api.md b/api-report/genai-node.api.md
@@ -3419,10 +3419,10 @@ export interface SendMessageParameters {
 
 // @public
 export enum ServiceTier {
-    SERVICE_TIER_FLEX = "SERVICE_TIER_FLEX",
-    SERVICE_TIER_PRIORITY = "SERVICE_TIER_PRIORITY",
-    SERVICE_TIER_STANDARD = "SERVICE_TIER_STANDARD",
-    SERVICE_TIER_UNSPECIFIED = "SERVICE_TIER_UNSPECIFIED"
+    FLEX = "flex",
+    PRIORITY = "priority",
+    STANDARD = "standard",
+    UNSPECIFIED = "unspecified"
 }
 
 // @public
diff --git a/api-report/genai-web.api.md b/api-report/genai-web.api.md
@@ -3419,10 +3419,10 @@ export interface SendMessageParameters {
 
 // @public
 export enum ServiceTier {
-    SERVICE_TIER_FLEX = "SERVICE_TIER_FLEX",
-    SERVICE_TIER_PRIORITY = "SERVICE_TIER_PRIORITY",
-    SERVICE_TIER_STANDARD = "SERVICE_TIER_STANDARD",
-    SERVICE_TIER_UNSPECIFIED = "SERVICE_TIER_UNSPECIFIED"
+    FLEX = "flex",
+    PRIORITY = "priority",
+    STANDARD = "standard",
+    UNSPECIFIED = "unspecified"
 }
 
 // @public
diff --git a/api-report/genai.api.md b/api-report/genai.api.md
@@ -3419,10 +3419,10 @@ export interface SendMessageParameters {
 
 // @public
 export enum ServiceTier {
-    SERVICE_TIER_FLEX = "SERVICE_TIER_FLEX",
-    SERVICE_TIER_PRIORITY = "SERVICE_TIER_PRIORITY",
-    SERVICE_TIER_STANDARD = "SERVICE_TIER_STANDARD",
-    SERVICE_TIER_UNSPECIFIED = "SERVICE_TIER_UNSPECIFIED"
+    FLEX = "flex",
+    PRIORITY = "priority",
+    STANDARD = "standard",
+    UNSPECIFIED = "unspecified"
 }
 
 // @public
diff --git a/src/converters/_models_converters.ts b/src/converters/_models_converters.ts
@@ -1903,8 +1903,9 @@ export function generateContentConfigToVertex(
     );
   }
 
-  if (common.getValueByPath(fromObject, ['serviceTier']) !== undefined) {
-    throw new Error('serviceTier parameter is not supported in Vertex AI.');
+  const fromServiceTier = common.getValueByPath(fromObject, ['serviceTier']);
+  if (parentObject !== undefined && fromServiceTier != null) {
+    common.setValueByPath(parentObject, ['serviceTier'], fromServiceTier);
   }
 
   return toObject;
diff --git a/src/types.ts b/src/types.ts
@@ -1003,19 +1003,19 @@ export enum ServiceTier {
   /**
    * Default service tier, which is standard.
    */
-  SERVICE_TIER_UNSPECIFIED = 'SERVICE_TIER_UNSPECIFIED',
+  UNSPECIFIED = 'unspecified',
   /**
    * Flex service tier.
    */
-  SERVICE_TIER_FLEX = 'SERVICE_TIER_FLEX',
+  FLEX = 'flex',
   /**
    * Standard service tier.
    */
-  SERVICE_TIER_STANDARD = 'SERVICE_TIER_STANDARD',
+  STANDARD = 'standard',
   /**
    * Priority service tier.
    */
-  SERVICE_TIER_PRIORITY = 'SERVICE_TIER_PRIORITY',
+  PRIORITY = 'priority',
 }
 
 /** Options for feature selection preference. */
@@ -2720,7 +2720,7 @@ export declare interface GenerateContentConfig {
       service. If supplied, safety_settings must not be supplied.
        */
   modelArmorConfig?: ModelArmorConfig;
-  /** The service tier to use for the request. For example, SERVICE_TIER_FLEX. */
+  /** The service tier to use for the request. For example, ServiceTier.FLEX. */
   serviceTier?: ServiceTier;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -1903,8 +1903,9 @@ export function generateContentConfigToVertex(`
`1903`	`1903`	`);`
`1904`	`1904`	`}`
`1905`	`1905`
`1906`		`- if (common.getValueByPath(fromObject, ['serviceTier']) !== undefined) {`
`1907`		`- throw new Error('serviceTier parameter is not supported in Vertex AI.');`
	`1906`	`+ const fromServiceTier = common.getValueByPath(fromObject, ['serviceTier']);`
	`1907`	`+ if (parentObject !== undefined && fromServiceTier != null) {`
	`1908`	`+ common.setValueByPath(parentObject, ['serviceTier'], fromServiceTier);`
`1908`	`1909`	`}`
`1909`	`1910`
`1910`	`1911`	`return toObject;`