Update java/swift code style

@@ -7,19 +7,20 @@ import net.nfet.flutter.printing.PrintingPlugin;
  * Generated file. Do not edit.
  */
 public final class GeneratedPluginRegistrant {
-  public static void registerWith(PluginRegistry registry) {
-    if (alreadyRegisteredWith(registry)) {
-      return;
+    public static void registerWith(PluginRegistry registry) {
+        if (alreadyRegisteredWith(registry)) {
+            return;
+        }
+        PrintingPlugin.registerWith(
+                registry.registrarFor("net.nfet.flutter.printing.PrintingPlugin"));
     }
-    PrintingPlugin.registerWith(registry.registrarFor("net.nfet.flutter.printing.PrintingPlugin"));
-  }
 
-  private static boolean alreadyRegisteredWith(PluginRegistry registry) {
-    final String key = GeneratedPluginRegistrant.class.getCanonicalName();
-    if (registry.hasPlugin(key)) {
-      return true;
+    private static boolean alreadyRegisteredWith(PluginRegistry registry) {
+        final String key = GeneratedPluginRegistrant.class.getCanonicalName();
+        if (registry.hasPlugin(key)) {
+            return true;
+        }
+        registry.registrarFor(key);
+        return false;
     }
-    registry.registrarFor(key);
-    return false;
-  }
 }

@@ -8,5 +8,5 @@ import Foundation
 import printing
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
-  PrintingPlugin.register(with: registry.registrar(forPlugin: "PrintingPlugin"))
+    PrintingPlugin.register(with: registry.registrar(forPlugin: "PrintingPlugin"))
 }