Add events to database@exp

Author: schmidt-sebastian

packages/database/.idea/runConfigurations/All_Tests.xml

@@ -27,21 +27,20 @@ export {
   getDatabase,
   goOffline,
   goOnline,
-  ref,
-  refFromURL,
   useDatabaseEmulator
 } from '../src/exp/Database';
 export {
-  OnDisconnect,
+  Query,
   Reference,
-  ThenableReference
+  ListenOptions,
+  Unsubscribe,
+  ThenableReference,
+  OnDisconnect
 } from '../src/exp/Reference';
-export { DataSnapshot } from '../src/exp/DataSnapshot';
 export {
-  ListenOptions,
-  Query,
   QueryConstraint,
-  Unsubscribe,
+  DataSnapshot,
+  EventType,
   endAt,
   endBefore,
   equalTo,
@@ -60,8 +59,10 @@ export {
   orderByValue,
   query,
   startAfter,
-  startAt
-} from '../src/exp/Query';
+  startAt,
+  ref,
+  refFromURL
+} from '../src/exp/Reference_impl';
 export { increment, serverTimestamp } from '../src/exp/ServerValue';
 export { runTransaction, TransactionOptions } from '../src/exp/Transaction';