chore: format

Author: MichaelVerdon

packages/firebase_database/firebase_database/ios/firebase_database/Sources/firebase_database/FLTFirebaseDatabasePlugin.swift

@@ -24,7 +24,7 @@ import FirebaseDatabase
 let FLTFirebaseDatabaseChannelName = "plugins.flutter.io/firebase_database"
 
 @objc(FLTFirebaseDatabasePlugin)
-public class FLTFirebaseDatabasePlugin: NSObject, FlutterPlugin, FLTFirebasePluginProtocol, 
+public class FLTFirebaseDatabasePlugin: NSObject, FlutterPlugin, FLTFirebasePluginProtocol,
   FirebaseDatabaseHostApi {
   private var binaryMessenger: FlutterBinaryMessenger
   private static var cachedDatabaseInstances: [String: Database] = [:]
@@ -99,13 +99,14 @@ public class FLTFirebaseDatabasePlugin: NSObject, FlutterPlugin, FLTFirebasePlug
 
   // MARK: - Database Management
 
-  func goOnline(app: DatabasePigeonFirebaseApp, completion: @escaping (Result<Void, Error>) -> Void) {
+  func goOnline(app: DatabasePigeonFirebaseApp,
+                completion: @escaping (Result<Void, Error>) -> Void) {
     let database = getDatabaseFromPigeonApp(app)
     database.goOnline()
     completion(.success(()))
   }
 
-  func goOffline(app: DatabasePigeonFirebaseApp, 
+  func goOffline(app: DatabasePigeonFirebaseApp,
                  completion: @escaping (Result<Void, Error>) -> Void) {
     let database = getDatabaseFromPigeonApp(app)
     database.goOffline()
@@ -299,7 +300,9 @@ public class FLTFirebaseDatabasePlugin: NSObject, FlutterPlugin, FLTFirebasePlug
     }
   }
 
-  func databaseReferenceGetTransactionResult(app: DatabasePigeonFirebaseApp, transactionKey: Int64, completion: @escaping (Result<[String: Any?], Error>) -> Void) {
+  func databaseReferenceGetTransactionResult(app: DatabasePigeonFirebaseApp, transactionKey: Int64,
+                                             completion: @escaping (Result<[String: Any?], Error>)
+                                               -> Void) {
     if let result = transactionResults.removeValue(forKey: transactionKey) {
       completion(.success(result))
     } else {