update api report

Author: Feiyang1

common/api-review/storage.api.md

@@ -51,11 +51,6 @@ export interface FirebaseStorage extends _FirebaseService {
     maxUploadRetryTime: number;
 }
 
-// @public
-export interface FirebaseStorageError extends FirebaseError {
-    serverResponse: string | null;
-}
-
 // @internal
 export class _FirebaseStorageImpl implements FirebaseStorage {
     constructor(
@@ -238,14 +233,14 @@ export interface StorageReference {
 }
 
 // @public
-export type StringFormat = string;
+export type StringFormat = typeof StringFormat[keyof typeof StringFormat];
 
 // @public
 export const StringFormat: {
-    RAW: string;
-    BASE64: string;
-    BASE64URL: string;
-    DATA_URL: string;
+    readonly RAW: "raw";
+    readonly BASE64: "base64";
+    readonly BASE64URL: "base64url";
+    readonly DATA_URL: "data_url";
 };
 
 // @public