Fix exports and add comments

src/v2/providers/alerts/appDistribution.ts

@@ -8,9 +8,13 @@ import { FirebaseAlertData, getEndpointAnnotation } from './alerts';
  */
 export interface NewTesterDevicePayload {
   ['@type']: 'type.googleapis.com/google.events.firebase.firebasealerts.v1.AppDistroNewTesterIosDevicePayload';
+  /** Name of the tester */
   testerName: string;
+  /** Email of the tester */
   testerEmail: string;
+  /** The device model name */
   testerDeviceModelName: string;
+  /** The device ID */
   testerDeviceIdentifier: string;
 }
 

src/v2/providers/alerts/crashlytics.ts

@@ -3,10 +3,14 @@ import { CloudEvent, CloudFunction } from '../../core';
 import * as options from '../../options';
 
 /** Generic crashlytics issue interface */
-interface Issue {
+export interface Issue {
+  /** The ID of the crashlytics issue */
   id: string;
+  /** The title of the crashlytics issue */
   title: string;
+  /** The subtitle of the crashlytics issue */
   subtitle: string;
+  /** The application version of the crashlytics issue */
   appVersion: string;
 }
 
@@ -48,7 +52,7 @@ export interface RegressionAlertPayload {
 }
 
 /** Generic crashlytics trending issue interface */
-interface TrendingIssueDetails {
+export interface TrendingIssueDetails {
   /** The type of the Crashlytics issue, e.g. new fatal, new nonfatal, ANR */
   type: string;
   /** Basic information of the Crashlytics issue */

src/v2/providers/storage.ts

@@ -174,6 +174,7 @@ export interface CustomerEncryption {
   keySha256?: string;
 }
 
+/** A CloudEvent that contains StorageObjectData */
 export interface StorageEvent extends CloudEvent<StorageObjectData> {
   /** The name of the bucket containing this object. */
   bucket: string;