feat: export HeaderBackbuttonProps type

SimenB · satya164 · commit 52dcace54561 · 2019-09-17T18:58:34.000+02:00
diff --git a/src/index.tsx b/src/index.tsx
@@ -44,6 +44,7 @@ export { default as StackGestureContext } from './utils/StackGestureContext';
  * Types
  */
 export {
+  HeaderBackbuttonProps,
   NavigationStackState,
   NavigationStackProp,
   NavigationStackOptions,
