diff --git a/src/monaco.contribution.ts b/src/monaco.contribution.ts
index ec07a46b..570a52bc 100644
--- a/src/monaco.contribution.ts
+++ b/src/monaco.contribution.ts
@@ -309,6 +309,11 @@ export interface LanguageServiceDefaults {
 	 * to the worker on start or restart.
 	 */
 	getEagerModelSync(): boolean;
+
+	/**
+	 * Configure inlay hints options.
+	 */
+	setInlayHintsOptions(options: InlayHintsOptions): void;
 }
 
 export interface TypeScriptWorker {