1 files changed, 10 insertions, 0 deletions
diff --git a/cli/dts/lib.es2020.intl.d.ts b/cli/dts/lib.es2020.intl.d.ts
index dc31f5e03..1ec4628bb 100644
--- a/cli/dts/lib.es2020.intl.d.ts
+++ b/cli/dts/lib.es2020.intl.d.ts
@@ -297,4 +297,14 @@ declare namespace Intl {
         unit?: string;
         unitDisplay?: string;
     }
+
+    interface DateTimeFormatOptions {
+        dateStyle?: "full" | "long" | "medium" | "short";
+        timeStyle?: "full" | "long" | "medium" | "short";
+        calendar?: string;
+        dayPeriod?: "narrow" | "short" | "long";
+        numberingSystem?: string;
+        hourCycle?: "h11" | "h12" | "h23" | "h24";
+        fractionalSecondDigits?: 0 | 1 | 2 | 3;
+    }
 }