[fuchsia] NNBD: Kernel libraries for Flutter, Dart runners (#18714)

This updates the references to `third_party/dart/sdk` to
`third_party/dart/sdk_nnbd`

Fixes: https://github.com/flutter/flutter/issues/58431

shell/platform/fuchsia/dart-pkg/fuchsia/lib/fuchsia.dart

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// @dart = 2.6
 library fuchsia;
 
 import 'dart:io';

shell/platform/fuchsia/dart-pkg/zircon/lib/src/handle.dart

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// @dart = 2.6
 part of zircon;
 
 // ignore_for_file: native_function_body_in_non_sdk_code

shell/platform/fuchsia/dart-pkg/zircon/lib/src/handle_waiter.dart

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// @dart = 2.6
 part of zircon;
 
 // ignore_for_file: native_function_body_in_non_sdk_code

shell/platform/fuchsia/dart-pkg/zircon/lib/src/system.dart

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// @dart = 2.6
 part of zircon;
 
 // ignore_for_file: native_function_body_in_non_sdk_code

shell/platform/fuchsia/dart-pkg/zircon/lib/zircon.dart

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// @dart = 2.6
 library zircon;
 
 import 'dart:convert' show utf8;

shell/platform/fuchsia/dart_runner/embedder/builtin.dart

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// @dart = 2.6
 library fuchsia_builtin;
 
 import 'dart:async';

shell/platform/fuchsia/dart_runner/kernel/BUILD.gn

@@ -20,6 +20,9 @@ compile_platform("kernel_platform_files") {
   ]
 
   args = [
+    "--enable-experiment=non-nullable",
+    "--nnbd-weak",
+
     # TODO(dartbug.com/36342): enable bytecode for core libraries when performance of bytecode
     # pipeline is on par with default pipeline and continuously tracked.
     # "--bytecode",

shell/platform/fuchsia/dart_runner/kernel/libraries.json

@@ -4,151 +4,151 @@
   "dart_runner": {
     "libraries": {
       "_builtin": {
-        "uri": "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/builtin.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/builtin.dart"
       },
       "core": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/core_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/array.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/array_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/bigint_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/bool_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/date_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/double.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/double_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/errors_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/expando_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/function.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/function_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/growable_array.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/identical_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/immutable_map.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/integers.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/integers_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/invocation_mirror_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/lib_prefix.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/map_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/null_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/object_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/regexp_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/stacktrace.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/stopwatch_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/string_buffer_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/string_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/type_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/uri_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/weak_property.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/core_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/array.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/array_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/bigint_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/bool_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/date_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/double.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/double_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/errors_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/expando_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/function.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/function_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/growable_array.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/identical_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/immutable_map.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/integers.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/integers_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/invocation_mirror_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/lib_prefix.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/map_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/null_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/object_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/regexp_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/stacktrace.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/stopwatch_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/string_buffer_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/string_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/type_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/uri_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/weak_property.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/core/core.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/core/core.dart"
       },
       "zircon": {
         "uri": "../../../../../../flutter/shell/platform/fuchsia/dart-pkg/zircon/lib/zircon.dart"
       },
       "async": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/async_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/deferred_load_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/schedule_microtask_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/timer_patch.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/async_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/deferred_load_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/schedule_microtask_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/timer_patch.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/async/async.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/async/async.dart"
       },
       "collection": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/collection_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/compact_hash.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/collection_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/compact_hash.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/collection/collection.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/collection/collection.dart"
       },
       "ffi": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/ffi_dynamic_library_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/ffi_native_type_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/ffi_patch.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/ffi_dynamic_library_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/ffi_native_type_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/ffi_patch.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/ffi/ffi.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/ffi/ffi.dart"
       },
       "typed_data": {
-        "patches": "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/typed_data_patch.dart",
-        "uri": "../../../../../../third_party/dart/sdk/lib/typed_data/typed_data.dart"
+        "patches": "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/typed_data_patch.dart",
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/typed_data/typed_data.dart"
       },
       "nativewrappers": {
-        "uri": "../../../../../../third_party/dart/sdk/lib/html/dartium/nativewrappers.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/html/dartium/nativewrappers.dart"
       },
       "mirrors": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/mirrors_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/mirrors_impl.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/mirror_reference.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/mirrors_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/mirrors_impl.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/mirror_reference.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/mirrors/mirrors.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/mirrors/mirrors.dart"
       },
       "developer": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/developer.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/profiler.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/timeline.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/developer.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/profiler.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/timeline.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/developer/developer.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/developer/developer.dart"
       },
       "isolate": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/isolate_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/timer_impl.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/isolate_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/timer_impl.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/isolate/isolate.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/isolate/isolate.dart"
       },
       "_vmservice": {
-        "uri": "../../../../../../third_party/dart/sdk/lib/vmservice/vmservice.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/vmservice/vmservice.dart"
       },
       "wasm": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/wasm_patch.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/wasm_patch.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/wasm/wasm.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/wasm/wasm.dart"
       },
       "io": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/common_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/directory_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/eventhandler_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/file_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/file_system_entity_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/filter_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/io_service_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/namespace_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/platform_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/process_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/socket_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/stdio_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/secure_socket_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/sync_socket_patch.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/common_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/directory_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/eventhandler_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/file_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/file_system_entity_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/filter_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/io_service_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/namespace_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/platform_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/process_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/socket_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/stdio_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/secure_socket_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/sync_socket_patch.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/io/io.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/io/io.dart"
       },
       "_internal": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/internal_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/class_id_fasta.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/print_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/symbol_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/internal/patch.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/internal_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/class_id_fasta.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/print_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/symbol_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/internal/patch.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/internal/internal.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/internal/internal.dart"
       },
       "convert": {
-        "patches": "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/convert_patch.dart",
-        "uri": "../../../../../../third_party/dart/sdk/lib/convert/convert.dart"
+        "patches": "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/convert_patch.dart",
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/convert/convert.dart"
       },
       "profiler": {
-        "uri": "../../../../../../third_party/dart/sdk/lib/profiler/profiler.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/profiler/profiler.dart"
       },
       "math": {
-        "patches": "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/math_patch.dart",
-        "uri": "../../../../../../third_party/dart/sdk/lib/math/math.dart"
+        "patches": "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/math_patch.dart",
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/math/math.dart"
       },
       "_http": {
-        "uri": "../../../../../../third_party/dart/sdk/lib/_http/http.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/_http/http.dart"
       },
       "fuchsia": {
         "uri": "../../../../../../flutter/shell/platform/fuchsia/dart-pkg/fuchsia/lib/fuchsia.dart"
@@ -157,7 +157,7 @@
         "uri": "../../../../../../flutter/shell/platform/fuchsia/dart_runner/embedder/builtin.dart"
       },
       "vmservice_io": {
-        "uri": "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/vmservice_io.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/vmservice_io.dart"
       }
     }
   }

shell/platform/fuchsia/dart_runner/kernel/libraries.yaml

@@ -14,135 +14,135 @@
 dart_runner:
   libraries:
     _builtin:
-      uri: "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/builtin.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/builtin.dart"
 
     _internal:
-      uri: "../../../../../../third_party/dart/sdk/lib/internal/internal.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/internal/internal.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/internal_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/class_id_fasta.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/print_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/symbol_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/internal/patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/internal_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/class_id_fasta.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/print_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/symbol_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/internal/patch.dart"
 
     async:
-      uri: "../../../../../../third_party/dart/sdk/lib/async/async.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/async/async.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/async_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/deferred_load_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/schedule_microtask_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/timer_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/async_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/deferred_load_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/schedule_microtask_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/timer_patch.dart"
 
     collection:
-      uri: "../../../../../../third_party/dart/sdk/lib/collection/collection.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/collection/collection.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/collection_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/compact_hash.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/collection_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/compact_hash.dart"
 
     convert:
-      uri: "../../../../../../third_party/dart/sdk/lib/convert/convert.dart"
-      patches: "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/convert_patch.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/convert/convert.dart"
+      patches: "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/convert_patch.dart"
 
     core:
-      uri: "../../../../../../third_party/dart/sdk/lib/core/core.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/core/core.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/core_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/array.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/array_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/bigint_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/bool_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/date_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/double.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/double_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/errors_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/expando_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/function.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/function_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/growable_array.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/identical_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/immutable_map.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/integers.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/integers_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/invocation_mirror_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/lib_prefix.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/map_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/null_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/object_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/regexp_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/stacktrace.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/stopwatch_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/string_buffer_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/string_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/type_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/uri_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/weak_property.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/core_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/array.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/array_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/bigint_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/bool_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/date_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/double.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/double_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/errors_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/expando_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/function.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/function_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/growable_array.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/identical_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/immutable_map.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/integers.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/integers_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/invocation_mirror_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/lib_prefix.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/map_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/null_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/object_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/regexp_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/stacktrace.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/stopwatch_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/string_buffer_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/string_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/type_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/uri_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/weak_property.dart"
 
     developer:
-      uri: "../../../../../../third_party/dart/sdk/lib/developer/developer.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/developer/developer.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/developer.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/profiler.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/timeline.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/developer.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/profiler.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/timeline.dart"
 
     ffi:
-      uri: "../../../../../../third_party/dart/sdk/lib/ffi/ffi.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/ffi/ffi.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/ffi_dynamic_library_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/ffi_native_type_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/ffi_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/ffi_dynamic_library_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/ffi_native_type_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/ffi_patch.dart"
 
     wasm:
-      uri: "../../../../../../third_party/dart/sdk/lib/wasm/wasm.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/wasm/wasm.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/wasm_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/wasm_patch.dart"
 
     _http:
-      uri: "../../../../../../third_party/dart/sdk/lib/_http/http.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/_http/http.dart"
 
     io:
-      uri: "../../../../../../third_party/dart/sdk/lib/io/io.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/io/io.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/common_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/directory_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/eventhandler_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/file_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/file_system_entity_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/filter_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/io_service_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/namespace_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/platform_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/process_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/socket_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/stdio_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/secure_socket_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/sync_socket_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/common_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/directory_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/eventhandler_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/file_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/file_system_entity_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/filter_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/io_service_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/namespace_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/platform_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/process_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/socket_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/stdio_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/secure_socket_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/sync_socket_patch.dart"
 
     isolate:
-      uri: "../../../../../../third_party/dart/sdk/lib/isolate/isolate.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/isolate/isolate.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/isolate_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/timer_impl.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/isolate_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/timer_impl.dart"
 
     math:
-      uri: "../../../../../../third_party/dart/sdk/lib/math/math.dart"
-      patches: "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/math_patch.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/math/math.dart"
+      patches: "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/math_patch.dart"
 
     mirrors:
-      uri: "../../../../../../third_party/dart/sdk/lib/mirrors/mirrors.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/mirrors/mirrors.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/mirrors_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/mirrors_impl.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/mirror_reference.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/mirrors_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/mirrors_impl.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/mirror_reference.dart"
 
     nativewrappers:
-      uri: "../../../../../../third_party/dart/sdk/lib/html/dartium/nativewrappers.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/html/dartium/nativewrappers.dart"
 
     profiler:
-      uri: "../../../../../../third_party/dart/sdk/lib/profiler/profiler.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/profiler/profiler.dart"
 
     typed_data:
-      uri: "../../../../../../third_party/dart/sdk/lib/typed_data/typed_data.dart"
-      patches: "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/typed_data_patch.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/typed_data/typed_data.dart"
+      patches: "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/typed_data_patch.dart"
 
     fuchsia.builtin:
       uri: "../../../../../../flutter/shell/platform/fuchsia/dart_runner/embedder/builtin.dart"
@@ -154,7 +154,7 @@ dart_runner:
       uri: "../../../../../../flutter/shell/platform/fuchsia/dart-pkg/fuchsia/lib/fuchsia.dart"
 
     _vmservice:
-      uri: "../../../../../../third_party/dart/sdk/lib/vmservice/vmservice.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/vmservice/vmservice.dart"
 
     vmservice_io:
-      uri: "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/vmservice_io.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/vmservice_io.dart"

shell/platform/fuchsia/flutter/kernel/BUILD.gn

@@ -20,6 +20,9 @@ compile_platform("kernel_platform_files") {
   ]
 
   args = [
+    "--enable-experiment=non-nullable",
+    "--nnbd-weak",
+
     # TODO(dartbug.com/36342): enable bytecode for core libraries when performance of bytecode
     # pipeline is on par with default pipeline and continuously tracked.
     # "--bytecode",

shell/platform/fuchsia/flutter/kernel/libraries.json

@@ -4,151 +4,151 @@
   "flutter_runner": {
     "libraries": {
       "_builtin": {
-        "uri": "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/builtin.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/builtin.dart"
       },
       "core": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/core_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/array.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/array_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/bigint_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/bool_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/date_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/double.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/double_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/errors_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/expando_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/function.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/function_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/growable_array.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/identical_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/immutable_map.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/integers.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/integers_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/invocation_mirror_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/lib_prefix.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/map_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/null_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/object_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/regexp_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/stacktrace.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/stopwatch_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/string_buffer_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/string_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/type_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/uri_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/weak_property.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/core_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/array.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/array_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/bigint_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/bool_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/date_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/double.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/double_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/errors_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/expando_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/function.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/function_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/growable_array.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/identical_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/immutable_map.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/integers.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/integers_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/invocation_mirror_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/lib_prefix.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/map_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/null_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/object_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/regexp_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/stacktrace.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/stopwatch_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/string_buffer_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/string_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/type_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/uri_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/weak_property.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/core/core.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/core/core.dart"
       },
       "zircon": {
         "uri": "../../../../../../flutter/shell/platform/fuchsia/dart-pkg/zircon/lib/zircon.dart"
       },
       "async": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/async_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/deferred_load_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/schedule_microtask_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/timer_patch.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/async_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/deferred_load_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/schedule_microtask_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/timer_patch.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/async/async.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/async/async.dart"
       },
       "collection": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/collection_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/compact_hash.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/collection_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/compact_hash.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/collection/collection.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/collection/collection.dart"
       },
       "ffi": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/ffi_dynamic_library_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/ffi_native_type_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/ffi_patch.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/ffi_dynamic_library_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/ffi_native_type_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/ffi_patch.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/ffi/ffi.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/ffi/ffi.dart"
       },
       "typed_data": {
-        "patches": "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/typed_data_patch.dart",
-        "uri": "../../../../../../third_party/dart/sdk/lib/typed_data/typed_data.dart"
+        "patches": "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/typed_data_patch.dart",
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/typed_data/typed_data.dart"
       },
       "nativewrappers": {
-        "uri": "../../../../../../third_party/dart/sdk/lib/html/dartium/nativewrappers.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/html/dartium/nativewrappers.dart"
       },
       "mirrors": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/mirrors_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/mirrors_impl.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/mirror_reference.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/mirrors_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/mirrors_impl.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/mirror_reference.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/mirrors/mirrors.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/mirrors/mirrors.dart"
       },
       "developer": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/developer.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/profiler.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/timeline.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/developer.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/profiler.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/timeline.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/developer/developer.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/developer/developer.dart"
       },
       "isolate": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/isolate_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/timer_impl.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/isolate_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/timer_impl.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/isolate/isolate.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/isolate/isolate.dart"
       },
       "_vmservice": {
-        "uri": "../../../../../../third_party/dart/sdk/lib/vmservice/vmservice.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/vmservice/vmservice.dart"
       },
       "wasm": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/wasm_patch.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/wasm_patch.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/wasm/wasm.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/wasm/wasm.dart"
       },
       "io": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/common_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/directory_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/eventhandler_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/file_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/file_system_entity_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/filter_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/io_service_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/namespace_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/platform_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/process_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/socket_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/stdio_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/secure_socket_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/sync_socket_patch.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/common_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/directory_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/eventhandler_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/file_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/file_system_entity_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/filter_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/io_service_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/namespace_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/platform_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/process_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/socket_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/stdio_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/secure_socket_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/sync_socket_patch.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/io/io.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/io/io.dart"
       },
       "_internal": {
         "patches": [
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/internal_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/class_id_fasta.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/print_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/symbol_patch.dart",
-          "../../../../../../third_party/dart/sdk/lib/internal/patch.dart"
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/internal_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/class_id_fasta.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/print_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/symbol_patch.dart",
+          "../../../../../../third_party/dart/sdk_nnbd/lib/internal/patch.dart"
         ],
-        "uri": "../../../../../../third_party/dart/sdk/lib/internal/internal.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/internal/internal.dart"
       },
       "convert": {
-        "patches": "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/convert_patch.dart",
-        "uri": "../../../../../../third_party/dart/sdk/lib/convert/convert.dart"
+        "patches": "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/convert_patch.dart",
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/convert/convert.dart"
       },
       "profiler": {
-        "uri": "../../../../../../third_party/dart/sdk/lib/profiler/profiler.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/profiler/profiler.dart"
       },
       "math": {
-        "patches": "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/math_patch.dart",
-        "uri": "../../../../../../third_party/dart/sdk/lib/math/math.dart"
+        "patches": "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/math_patch.dart",
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/math/math.dart"
       },
       "_http": {
-        "uri": "../../../../../../third_party/dart/sdk/lib/_http/http.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/_http/http.dart"
       },
       "fuchsia": {
         "uri": "../../../../../../flutter/shell/platform/fuchsia/dart-pkg/fuchsia/lib/fuchsia.dart"
@@ -160,7 +160,7 @@
         "uri": "../../../../../../flutter/lib/ui/ui.dart"
       },
       "vmservice_io": {
-        "uri": "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/vmservice_io.dart"
+        "uri": "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/vmservice_io.dart"
       }
     }
   }

shell/platform/fuchsia/flutter/kernel/libraries.yaml

@@ -14,135 +14,135 @@
 flutter_runner:
   libraries:
     _builtin:
-      uri: "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/builtin.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/builtin.dart"
 
     _internal:
-      uri: "../../../../../../third_party/dart/sdk/lib/internal/internal.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/internal/internal.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/internal_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/class_id_fasta.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/print_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/symbol_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/internal/patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/internal_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/class_id_fasta.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/print_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/symbol_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/internal/patch.dart"
 
     async:
-      uri: "../../../../../../third_party/dart/sdk/lib/async/async.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/async/async.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/async_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/deferred_load_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/schedule_microtask_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/timer_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/async_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/deferred_load_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/schedule_microtask_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/timer_patch.dart"
 
     collection:
-      uri: "../../../../../../third_party/dart/sdk/lib/collection/collection.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/collection/collection.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/collection_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/compact_hash.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/collection_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/compact_hash.dart"
 
     convert:
-      uri: "../../../../../../third_party/dart/sdk/lib/convert/convert.dart"
-      patches: "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/convert_patch.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/convert/convert.dart"
+      patches: "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/convert_patch.dart"
 
     core:
-      uri: "../../../../../../third_party/dart/sdk/lib/core/core.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/core/core.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/core_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/array.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/array_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/bigint_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/bool_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/date_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/double.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/double_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/errors_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/expando_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/function.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/function_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/growable_array.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/identical_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/immutable_map.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/integers.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/integers_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/invocation_mirror_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/lib_prefix.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/map_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/null_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/object_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/regexp_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/stacktrace.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/stopwatch_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/string_buffer_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/string_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/type_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/uri_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/weak_property.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/core_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/array.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/array_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/bigint_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/bool_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/date_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/double.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/double_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/errors_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/expando_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/function.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/function_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/growable_array.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/identical_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/immutable_map.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/integers.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/integers_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/invocation_mirror_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/lib_prefix.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/map_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/null_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/object_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/regexp_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/stacktrace.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/stopwatch_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/string_buffer_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/string_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/type_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/uri_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/weak_property.dart"
 
     developer:
-      uri: "../../../../../../third_party/dart/sdk/lib/developer/developer.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/developer/developer.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/developer.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/profiler.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/timeline.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/developer.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/profiler.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/timeline.dart"
 
     ffi:
-      uri: "../../../../../../third_party/dart/sdk/lib/ffi/ffi.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/ffi/ffi.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/ffi_dynamic_library_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/ffi_native_type_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/ffi_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/ffi_dynamic_library_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/ffi_native_type_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/ffi_patch.dart"
 
     wasm:
-      uri: "../../../../../../third_party/dart/sdk/lib/wasm/wasm.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/wasm/wasm.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/wasm_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/wasm_patch.dart"
 
     _http:
-      uri: "../../../../../../third_party/dart/sdk/lib/_http/http.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/_http/http.dart"
 
     io:
-      uri: "../../../../../../third_party/dart/sdk/lib/io/io.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/io/io.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/common_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/directory_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/eventhandler_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/file_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/file_system_entity_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/filter_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/io_service_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/namespace_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/platform_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/process_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/socket_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/stdio_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/secure_socket_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/sync_socket_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/common_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/directory_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/eventhandler_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/file_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/file_system_entity_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/filter_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/io_service_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/namespace_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/platform_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/process_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/socket_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/stdio_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/secure_socket_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/sync_socket_patch.dart"
 
     isolate:
-      uri: "../../../../../../third_party/dart/sdk/lib/isolate/isolate.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/isolate/isolate.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/isolate_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/timer_impl.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/isolate_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/timer_impl.dart"
 
     math:
-      uri: "../../../../../../third_party/dart/sdk/lib/math/math.dart"
-      patches: "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/math_patch.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/math/math.dart"
+      patches: "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/math_patch.dart"
 
     mirrors:
-      uri: "../../../../../../third_party/dart/sdk/lib/mirrors/mirrors.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/mirrors/mirrors.dart"
       patches:
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/mirrors_patch.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/mirrors_impl.dart"
-        - "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/mirror_reference.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/mirrors_patch.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/mirrors_impl.dart"
+        - "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/mirror_reference.dart"
 
     nativewrappers:
-      uri: "../../../../../../third_party/dart/sdk/lib/html/dartium/nativewrappers.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/html/dartium/nativewrappers.dart"
 
     profiler:
-      uri: "../../../../../../third_party/dart/sdk/lib/profiler/profiler.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/profiler/profiler.dart"
 
     typed_data:
-      uri: "../../../../../../third_party/dart/sdk/lib/typed_data/typed_data.dart"
-      patches: "../../../../../../third_party/dart/sdk/lib/_internal/vm/lib/typed_data_patch.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/typed_data/typed_data.dart"
+      patches: "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/lib/typed_data_patch.dart"
 
     fuchsia.builtin:
       uri: "../../../../../../flutter/shell/platform/fuchsia/dart_runner/embedder/builtin.dart"
@@ -157,7 +157,7 @@ flutter_runner:
       uri: "../../../../../../flutter/lib/ui/ui.dart"
 
     _vmservice:
-      uri: "../../../../../../third_party/dart/sdk/lib/vmservice/vmservice.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/vmservice/vmservice.dart"
 
     vmservice_io:
-      uri: "../../../../../../third_party/dart/sdk/lib/_internal/vm/bin/vmservice_io.dart"
+      uri: "../../../../../../third_party/dart/sdk_nnbd/lib/_internal/vm/bin/vmservice_io.dart"