first commit

common/resources/client/i18n/message-descriptor.ts

@@ -0,0 +1,14 @@
+import {ReactElement} from 'react';
+
+export interface MessageDescriptor {
+  message: string;
+  values?: Record<
+    string,
+    | string
+    | number
+    | null
+    | undefined
+    | ReactElement
+    | ((parts: string) => ReactElement)
+  >;
+}