Fatten up multiple_flutters memory footprint (#93350)

Increased the memory size of multiple_flutters to help identify regressions in performance

This is not a regression and will affect benchmark's readings.

dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt

@@ -15,11 +15,12 @@ import androidx.fragment.app.FragmentActivity
 import androidx.fragment.app.FragmentManager
 import io.flutter.FlutterInjector
 import io.flutter.embedding.android.FlutterFragment
+import io.flutter.embedding.engine.FlutterEngine
 import io.flutter.embedding.engine.FlutterEngineCache
 import io.flutter.embedding.engine.dart.DartExecutor
 
 class MainActivity : FragmentActivity() {
-    private val numberOfFlutters = 2
+    private val numberOfFlutters = 20
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -40,8 +41,10 @@ class MainActivity : FragmentActivity() {
             DartExecutor.DartEntrypoint(
                 FlutterInjector.instance().flutterLoader().findAppBundlePath(), "main"
             )
-        val topEngine = app.engines.createAndRunEngine(this, dartEntrypoint)
+        val engines = generateSequence(0)  { it + 1 }
-        val bottomEngine = app.engines.createAndRunEngine(this, dartEntrypoint)
+            .take(numberOfFlutters)
+            .map { app.engines.createAndRunEngine(this, dartEntrypoint) }
+            .toList()
         for (i in 0 until numberOfFlutters) {
             val flutterContainer = FrameLayout(this)
             root.addView(flutterContainer)
@@ -51,7 +54,7 @@ class MainActivity : FragmentActivity() {
                 FrameLayout.LayoutParams.MATCH_PARENT,
                 1.0f
             )
-            val engine = if (i == 0) topEngine else bottomEngine
+            val engine = engines[i]
             FlutterEngineCache.getInstance().put(i.toString(), engine)
             val flutterFragment =
                 FlutterFragment.withCachedEngine(i.toString()).build<FlutterFragment>()

dev/benchmarks/multiple_flutters/module/lib/main.dart

@@ -3,6 +3,8 @@
 // found in the LICENSE file.
 
 import 'package:flutter/material.dart';
+import 'package:flutter/semantics.dart';
+import 'package:google_fonts/google_fonts.dart';
 
 void main() => runApp(const MyApp(Colors.blue));
 
@@ -37,6 +39,55 @@ class MyHomePage extends StatefulWidget {
   State<MyHomePage> createState() => _MyHomePageState();
 }
 
+class Sky extends CustomPainter {
+  @override
+  void paint(Canvas canvas, Size size) {
+    final Rect rect = Offset.zero & size;
+    const RadialGradient gradient = RadialGradient(
+      center: Alignment(0.7, -0.6),
+      radius: 0.2,
+      colors: <Color>[Color(0xFFFFFF00), Color(0xFF0099FF)],
+      stops: <double>[0.4, 1.0],
+    );
+    canvas.drawRect(
+      rect,
+      Paint()..shader = gradient.createShader(rect),
+    );
+  }
+
+  @override
+  SemanticsBuilderCallback get semanticsBuilder {
+    return (Size size) {
+      // Annotate a rectangle containing the picture of the sun
+      // with the label "Sun". When text to speech feature is enabled on the
+      // device, a user will be able to locate the sun on this picture by
+      // touch.
+      Rect rect = Offset.zero & size;
+      final double width = size.shortestSide * 0.4;
+      rect = const Alignment(0.8, -0.9).inscribe(Size(width, width), rect);
+      return <CustomPainterSemantics>[
+        CustomPainterSemantics(
+          rect: rect,
+          properties: const SemanticsProperties(
+            label: 'Sun',
+            textDirection: TextDirection.ltr,
+          ),
+        ),
+      ];
+    };
+  }
+
+  // Since this Sky painter has no fields, it always paints
+  // the same thing and semantics information is the same.
+  // Therefore we return false here. If we had fields (set
+  // from the constructor) then we would return true if any
+  // of them differed from the same fields on the oldDelegate.
+  @override
+  bool shouldRepaint(Sky oldDelegate) => false;
+  @override
+  bool shouldRebuildSemantics(Sky oldDelegate) => false;
+}
+
 class _MyHomePageState extends State<MyHomePage> {
   @override
   Widget build(BuildContext context) {
@@ -45,25 +96,85 @@ class _MyHomePageState extends State<MyHomePage> {
         title: Text(widget.title ?? ''),
       ),
       body: Center(
-        child: Column(
+        child: SingleChildScrollView(
-          mainAxisAlignment: MainAxisAlignment.center,
+          child: Column(
-          children: <Widget>[
+            mainAxisAlignment: MainAxisAlignment.center,
-            const Text(
+            children: <Widget>[
-              'You have pushed the button this many times:',
+              Text(
-            ),
+                'You have pushed the button this many times:',
-            Text(
+                style: GoogleFonts.lato(),
-              '0',
+              ),
-              style: Theme.of(context).textTheme.headline4,
+              Text(
-            ),
+                '0',
-            TextButton(
+                style: Theme.of(context).textTheme.headline4,
-              onPressed: () {},
+              ),
-              child: const Text('Add'),
+              TextButton(
-            ),
+                onPressed: () {},
-            TextButton(
+                child: const Text('Add'),
-              onPressed: () {},
+              ),
-              child: const Text('Next'),
+              TextButton(
-            ),
+                onPressed: () {},
-          ],
+                child: const Text('Next'),
+              ),
+              Row(
+                mainAxisAlignment: MainAxisAlignment.spaceAround,
+                children: <Widget>[
+                  const Icon(
+                    Icons.favorite,
+                    color: Colors.pink,
+                    size: 24.0,
+                    semanticLabel: 'Text to announce in accessibility modes',
+                  ),
+                  const Icon(
+                    Icons.audiotrack,
+                    color: Colors.green,
+                    size: 30.0,
+                  ),
+                  const Icon(
+                    Icons.beach_access,
+                    color: Colors.blue,
+                    size: 36.0,
+                  ),
+                  const Icon(
+                    Icons.zoom_out,
+                    color: Colors.amber,
+                    size: 36.0,
+                  ),
+                  const Icon(
+                    Icons.money,
+                    color: Colors.lightGreen,
+                    size: 36.0,
+                  ),
+                  const Icon(
+                    Icons.bug_report,
+                    color: Colors.teal,
+                    size: 36.0,
+                  ),
+                  Container(
+                    width: 36.0,
+                    height: 36.0,
+                    decoration: const BoxDecoration(
+                      gradient: LinearGradient(
+                        begin: Alignment.topLeft,
+                        end: Alignment(0.8,
+                            0.0), // 10% of the width, so there are ten blinds.
+                        colors: <Color>[
+                          Color(0xffee0000),
+                          Color(0xffeeee00)
+                        ], // red to yellow
+                        tileMode: TileMode
+                            .repeated, // repeats the gradient over the canvas
+                      ),
+                    ),
+                  ),
+                ],
+              ),
+              CustomPaint(
+                painter: Sky(),
+                size: const Size(200.0, 36.0),
+              )
+            ],
+          ),
         ),
       ),
     );

dev/benchmarks/multiple_flutters/module/pubspec.yaml

@@ -4,19 +4,41 @@ description: A module that is embedded in the multiple_flutters benchmark test.
 version: 1.0.0+1
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: ">=2.12.0 <3.0.0"
 
 dependencies:
   flutter:
     sdk: flutter
 
-  cupertino_icons: 1.0.3
+  cupertino_icons: 1.0.4
+  google_fonts: 2.1.0
 
+  async: 2.8.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   characters: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  charcode: 1.3.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.15.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  crypto: 3.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  ffi: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  file: 6.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.13.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http_parser: 4.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.7.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  path: 1.8.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  path_provider: 2.0.6 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  path_provider_linux: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  path_provider_macos: 2.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  path_provider_platform_interface: 2.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  path_provider_windows: 2.0.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  platform: 3.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  plugin_platform_interface: 2.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  process: 4.2.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  source_span: 1.8.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  string_scanner: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  term_glyph: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   typed_data: 1.3.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  win32: 2.2.10 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  xdg_directories: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
 flutter:
   uses-material-design: true
@@ -26,4 +48,4 @@ flutter:
     androidPackage: com.example.multiple_flutters_module
     iosBundleIdentifier: com.example.multipleFluttersModule
 
-# PUBSPEC CHECKSUM: ac15
+# PUBSPEC CHECKSUM: b772

dev/benchmarks/platform_channels_benchmarks/pubspec.yaml

@@ -14,7 +14,7 @@ dependencies:
     sdk: flutter
   microbenchmarks:
     path: ../microbenchmarks
-  cupertino_icons: 1.0.3
+  cupertino_icons: 1.0.4
 
   _fe_analyzer_shared: 30.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   analyzer: 2.7.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -73,4 +73,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: fe74
+# PUBSPEC CHECKSUM: 3975

dev/bots/pubspec.yaml

@@ -31,7 +31,7 @@ dependencies:
   equatable: 2.0.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 6.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   frontend_server_client: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  gcloud: 0.8.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  gcloud: 0.8.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 2.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   googleapis: 3.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   googleapis_auth: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -71,4 +71,4 @@ dependencies:
 dev_dependencies:
   test_api: 0.4.7
 
-# PUBSPEC CHECKSUM: 545a
+# PUBSPEC CHECKSUM: 175b

dev/devicelab/pubspec.yaml

@@ -31,7 +31,7 @@ dependencies:
   convert: 3.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 3.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   equatable: 2.0.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  gcloud: 0.8.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  gcloud: 0.8.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   googleapis: 3.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   googleapis_auth: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 4.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -71,4 +71,4 @@ dev_dependencies:
   watcher: 1.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
-# PUBSPEC CHECKSUM: 545a
+# PUBSPEC CHECKSUM: 175b

dev/integration_tests/android_embedding_v2_smoke_test/pubspec.yaml

@@ -25,7 +25,7 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: 1.0.3
+  cupertino_icons: 1.0.4
 
   battery_platform_interface: 2.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   characters: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -96,4 +96,4 @@ flutter:
   # For details regarding fonts from package dependencies,
   # see https://flutter.dev/custom-fonts/#from-packages
 
-# PUBSPEC CHECKSUM: 02ea
+# PUBSPEC CHECKSUM: d6eb

dev/integration_tests/android_views/pubspec.yaml

@@ -27,10 +27,10 @@ dependencies:
   matcher: 0.12.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.7.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path: 1.8.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  path_provider_linux: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  path_provider_linux: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path_provider_macos: 2.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path_provider_platform_interface: 2.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  path_provider_windows: 2.0.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  path_provider_windows: 2.0.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   platform: 3.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   plugin_platform_interface: 2.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   process: 4.2.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -91,4 +91,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 8e82
+# PUBSPEC CHECKSUM: 1c84

dev/integration_tests/flutter_gallery/pubspec.yaml

@@ -12,7 +12,7 @@ dependencies:
   connectivity: 3.0.6
   string_scanner: 1.1.0
   url_launcher: 6.0.12
-  cupertino_icons: 1.0.3
+  cupertino_icons: 1.0.4
   video_player: 2.1.1
   scoped_model:
     git:
@@ -273,4 +273,4 @@ flutter:
       - asset: packages/flutter_gallery_assets/fonts/merriweather/Merriweather-Regular.ttf
       - asset: packages/flutter_gallery_assets/fonts/merriweather/Merriweather-Light.ttf
 
-# PUBSPEC CHECKSUM: 0d9c
+# PUBSPEC CHECKSUM: a09d

dev/integration_tests/hybrid_android_views/pubspec.yaml

@@ -27,10 +27,10 @@ dependencies:
   matcher: 0.12.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.7.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path: 1.8.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  path_provider_linux: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  path_provider_linux: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path_provider_macos: 2.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path_provider_platform_interface: 2.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  path_provider_windows: 2.0.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  path_provider_windows: 2.0.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   platform: 3.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   plugin_platform_interface: 2.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   process: 4.2.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -91,4 +91,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 8e82
+# PUBSPEC CHECKSUM: 1c84

dev/integration_tests/ios_add2app_life_cycle/flutterapp/pubspec.yaml

@@ -22,7 +22,7 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: 1.0.3
+  cupertino_icons: 1.0.4
 
   characters: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.15.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -99,4 +99,4 @@ flutter:
     androidPackage: com.example.iosadd2appflutter
     iosBundleIdentifier: com.example.iosAdd2appFlutter
 
-# PUBSPEC CHECKSUM: d5c3
+# PUBSPEC CHECKSUM: 6ac4

dev/integration_tests/non_nullable/pubspec.yaml

@@ -10,7 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  cupertino_icons: 1.0.3
+  cupertino_icons: 1.0.4
 
   characters: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.15.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -39,4 +39,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: d5c3
+# PUBSPEC CHECKSUM: 6ac4

examples/api/pubspec.yaml

@@ -9,7 +9,7 @@ environment:
   flutter: ">=2.5.0-6.0.pre.30 <3.0.0"
 
 dependencies:
-  cupertino_icons: 1.0.3
+  cupertino_icons: 1.0.4
   flutter:
     sdk: flutter
 
@@ -80,4 +80,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 5aec
+# PUBSPEC CHECKSUM: d4ed

examples/image_list/pubspec.yaml

@@ -12,7 +12,7 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: 1.0.3
+  cupertino_icons: 1.0.4
 
   characters: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.15.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -54,4 +54,4 @@ flutter:
   assets:
    - images/coast.jpg
 
-# PUBSPEC CHECKSUM: d5c3
+# PUBSPEC CHECKSUM: 6ac4

packages/integration_test/example/pubspec.yaml

@@ -10,7 +10,7 @@ dependencies:
   flutter:
     sdk: flutter
 
-  cupertino_icons: 1.0.3
+  cupertino_icons: 1.0.4
 
   characters: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.15.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -85,4 +85,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 26b3
+# PUBSPEC CHECKSUM: c0b4