From 77994ea403d37a248320d92de4a27dd6fd0648d2 Mon Sep 17 00:00:00 2001
From: Shane Fitzpatrick <shafit@microsoft.com>
Date: Mon, 12 Feb 2018 11:39:44 -0800
Subject: [PATCH] Add types for accessibility event handler parameters

---
 types/react-native/index.d.ts | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/types/react-native/index.d.ts b/types/react-native/index.d.ts
index ea56558e7f..832c8b50bf 100644
--- a/types/react-native/index.d.ts
+++ b/types/react-native/index.d.ts
@@ -6211,7 +6211,16 @@ export interface ShareStatic {
     dismissedAction: string;
 }
 
-type AccessibilityChangeEventName = "change" | "announcementFinished";
+type AccessibilityEventName = "change" | "announcementFinished";
+
+type AccessibilityChangeEvent = boolean;
+
+type AccessibilityAnnoucementFinishedEvent = {
+    announcement: string;
+    success: boolean
+};
+
+type AccessibilityEvent = AccessibilityChangeEvent | AccessibilityAnnoucementFinishedEvent;
 
 /**
  * @see https://facebook.github.io/react-native/docs/accessibilityinfo.html
@@ -6234,12 +6243,12 @@ export interface AccessibilityInfoStatic {
      *                          - announcement: The string announced by the screen reader.
      *                          - success: A boolean indicating whether the announcement was successfully made.
      */
-    addEventListener: (eventName: AccessibilityChangeEventName, handler: () => void) => void;
+    addEventListener: (eventName: AccessibilityEventName, handler: (event: AccessibilityEvent) => void) => void;
 
     /**
      * Remove an event handler.
      */
-    removeEventListener: (eventName: AccessibilityChangeEventName, handler: () => void) => void;
+    removeEventListener: (eventName: AccessibilityEventName, handler: (event: AccessibilityEvent) => void) => void;
 
     /**
      * Set acessibility focus to a react component.