diff --git a/runtime/dart_runner/kernel/BUILD.gn b/runtime/dart_runner/kernel/BUILD.gn
index 07c127c..d363b41 100644
--- a/runtime/dart_runner/kernel/BUILD.gn
+++ b/runtime/dart_runner/kernel/BUILD.gn
@@ -9,9 +9,14 @@
 compile_platform("kernel_platform_files") {
   single_root_scheme = "org-dartlang-sdk"
   single_root_base = rebase_path("../../../../")
-
-  libraries_specification_uri =
+  libraries_found = exec_script("../../get_libraries_json.py", [], "list lines")
+  if (libraries_found[0] == "True") {
+    libraries_specification_uri =
       "org-dartlang-sdk:///topaz/runtime/dart_runner/kernel/libraries.json"
+  } else {
+    libraries_specification_uri =
+      "org-dartlang-sdk:///topaz/runtime/dart_runner/kernel/libraries_old.json"
+  }
 
   outputs = [
     "$root_out_dir/dart_runner_patched_sdk/platform_strong.dill",
diff --git a/runtime/dart_runner/kernel/libraries.json b/runtime/dart_runner/kernel/libraries.json
index 4ca98ac..05dd71b 100644
--- a/runtime/dart_runner/kernel/libraries.json
+++ b/runtime/dart_runner/kernel/libraries.json
@@ -4,40 +4,40 @@
   "dart_runner": {
     "libraries": {
       "_builtin": {
-        "uri": "../../../../third_party/dart/runtime/bin/builtin.dart"
+        "uri": "../../../../third_party/dart/sdk/lib/_internal/vm/bin/builtin.dart"
       },
       "core": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/core_patch.dart",
-          "../../../../third_party/dart/runtime/lib/array.dart",
-          "../../../../third_party/dart/runtime/lib/array_patch.dart",
-          "../../../../third_party/dart/runtime/lib/bigint_patch.dart",
-          "../../../../third_party/dart/runtime/lib/bool_patch.dart",
-          "../../../../third_party/dart/runtime/lib/date_patch.dart",
-          "../../../../third_party/dart/runtime/lib/double.dart",
-          "../../../../third_party/dart/runtime/lib/double_patch.dart",
-          "../../../../third_party/dart/runtime/lib/errors_patch.dart",
-          "../../../../third_party/dart/runtime/lib/expando_patch.dart",
-          "../../../../third_party/dart/runtime/lib/function.dart",
-          "../../../../third_party/dart/runtime/lib/function_patch.dart",
-          "../../../../third_party/dart/runtime/lib/growable_array.dart",
-          "../../../../third_party/dart/runtime/lib/identical_patch.dart",
-          "../../../../third_party/dart/runtime/lib/immutable_map.dart",
-          "../../../../third_party/dart/runtime/lib/integers.dart",
-          "../../../../third_party/dart/runtime/lib/integers_patch.dart",
-          "../../../../third_party/dart/runtime/lib/invocation_mirror_patch.dart",
-          "../../../../third_party/dart/runtime/lib/lib_prefix.dart",
-          "../../../../third_party/dart/runtime/lib/map_patch.dart",
-          "../../../../third_party/dart/runtime/lib/null_patch.dart",
-          "../../../../third_party/dart/runtime/lib/object_patch.dart",
-          "../../../../third_party/dart/runtime/lib/regexp_patch.dart",
-          "../../../../third_party/dart/runtime/lib/stacktrace.dart",
-          "../../../../third_party/dart/runtime/lib/stopwatch_patch.dart",
-          "../../../../third_party/dart/runtime/lib/string_buffer_patch.dart",
-          "../../../../third_party/dart/runtime/lib/string_patch.dart",
-          "../../../../third_party/dart/runtime/lib/type_patch.dart",
-          "../../../../third_party/dart/runtime/lib/uri_patch.dart",
-          "../../../../third_party/dart/runtime/lib/weak_property.dart"
+          "../../../../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"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/core/core.dart"
       },
@@ -46,30 +46,30 @@
       },
       "async": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/async_patch.dart",
-          "../../../../third_party/dart/runtime/lib/deferred_load_patch.dart",
-          "../../../../third_party/dart/runtime/lib/schedule_microtask_patch.dart",
-          "../../../../third_party/dart/runtime/lib/timer_patch.dart"
+          "../../../../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"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/async/async.dart"
       },
       "collection": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/collection_patch.dart",
-          "../../../../third_party/dart/runtime/lib/compact_hash.dart"
+          "../../../../third_party/dart/sdk/lib/_internal/vm/lib/collection_patch.dart",
+          "../../../../third_party/dart/sdk/lib/_internal/vm/lib/compact_hash.dart"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/collection/collection.dart"
       },
       "ffi": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/ffi_dynamic_library_patch.dart",
-          "../../../../third_party/dart/runtime/lib/ffi_native_type_patch.dart",
-          "../../../../third_party/dart/runtime/lib/ffi_patch.dart"
+          "../../../../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"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/ffi/ffi.dart"
       },
       "typed_data": {
-        "patches": "../../../../third_party/dart/runtime/lib/typed_data_patch.dart",
+        "patches": "../../../../third_party/dart/sdk/lib/_internal/vm/lib/typed_data_patch.dart",
         "uri": "../../../../third_party/dart/sdk/lib/typed_data/typed_data.dart"
       },
       "nativewrappers": {
@@ -77,24 +77,24 @@
       },
       "mirrors": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/mirrors_patch.dart",
-          "../../../../third_party/dart/runtime/lib/mirrors_impl.dart",
-          "../../../../third_party/dart/runtime/lib/mirror_reference.dart"
+          "../../../../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"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/mirrors/mirrors.dart"
       },
       "developer": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/developer.dart",
-          "../../../../third_party/dart/runtime/lib/profiler.dart",
-          "../../../../third_party/dart/runtime/lib/timeline.dart"
+          "../../../../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"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/developer/developer.dart"
       },
       "isolate": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/isolate_patch.dart",
-          "../../../../third_party/dart/runtime/lib/timer_impl.dart"
+          "../../../../third_party/dart/sdk/lib/_internal/vm/lib/isolate_patch.dart",
+          "../../../../third_party/dart/sdk/lib/_internal/vm/lib/timer_impl.dart"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/isolate/isolate.dart"
       },
@@ -103,48 +103,48 @@
       },
       "wasm": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/wasm_patch.dart"
+          "../../../../third_party/dart/sdk/lib/_internal/vm/lib/wasm_patch.dart"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/wasm/wasm.dart"
       },
       "io": {
         "patches": [
-          "../../../../third_party/dart/runtime/bin/common_patch.dart",
-          "../../../../third_party/dart/runtime/bin/directory_patch.dart",
-          "../../../../third_party/dart/runtime/bin/eventhandler_patch.dart",
-          "../../../../third_party/dart/runtime/bin/file_patch.dart",
-          "../../../../third_party/dart/runtime/bin/file_system_entity_patch.dart",
-          "../../../../third_party/dart/runtime/bin/filter_patch.dart",
-          "../../../../third_party/dart/runtime/bin/io_service_patch.dart",
-          "../../../../third_party/dart/runtime/bin/namespace_patch.dart",
-          "../../../../third_party/dart/runtime/bin/platform_patch.dart",
-          "../../../../third_party/dart/runtime/bin/process_patch.dart",
-          "../../../../third_party/dart/runtime/bin/socket_patch.dart",
-          "../../../../third_party/dart/runtime/bin/stdio_patch.dart",
-          "../../../../third_party/dart/runtime/bin/secure_socket_patch.dart",
-          "../../../../third_party/dart/runtime/bin/sync_socket_patch.dart"
+          "../../../../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"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/io/io.dart"
       },
       "_internal": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/internal_patch.dart",
-          "../../../../third_party/dart/runtime/lib/class_id_fasta.dart",
-          "../../../../third_party/dart/runtime/lib/print_patch.dart",
-          "../../../../third_party/dart/runtime/lib/symbol_patch.dart",
+          "../../../../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"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/internal/internal.dart"
       },
       "convert": {
-        "patches": "../../../../third_party/dart/runtime/lib/convert_patch.dart",
+        "patches": "../../../../third_party/dart/sdk/lib/_internal/vm/lib/convert_patch.dart",
         "uri": "../../../../third_party/dart/sdk/lib/convert/convert.dart"
       },
       "profiler": {
         "uri": "../../../../third_party/dart/sdk/lib/profiler/profiler.dart"
       },
       "math": {
-        "patches": "../../../../third_party/dart/runtime/lib/math_patch.dart",
+        "patches": "../../../../third_party/dart/sdk/lib/_internal/vm/lib/math_patch.dart",
         "uri": "../../../../third_party/dart/sdk/lib/math/math.dart"
       },
       "_http": {
diff --git a/runtime/dart_runner/kernel/libraries.yaml b/runtime/dart_runner/kernel/libraries.yaml
index 76390fb..03bb1d5 100644
--- a/runtime/dart_runner/kernel/libraries.yaml
+++ b/runtime/dart_runner/kernel/libraries.yaml
@@ -16,87 +16,87 @@
 dart_runner:
   libraries:
     _builtin:
-      uri: "../../../../third_party/dart/runtime/bin/builtin.dart"
+      uri: "../../../../third_party/dart/sdk/lib/_internal/vm/bin/builtin.dart"
 
     _internal:
       uri: "../../../../third_party/dart/sdk/lib/internal/internal.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/internal_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/class_id_fasta.dart"
-        - "../../../../third_party/dart/runtime/lib/print_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/symbol_patch.dart"
+        - "../../../../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"
 
     async:
       uri: "../../../../third_party/dart/sdk/lib/async/async.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/async_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/deferred_load_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/schedule_microtask_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/timer_patch.dart"
+        - "../../../../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"
 
     collection:
       uri: "../../../../third_party/dart/sdk/lib/collection/collection.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/collection_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/compact_hash.dart"
+        - "../../../../third_party/dart/sdk/lib/_internal/vm/lib/collection_patch.dart"
+        - "../../../../third_party/dart/sdk/lib/_internal/vm/lib/compact_hash.dart"
 
     convert:
       uri: "../../../../third_party/dart/sdk/lib/convert/convert.dart"
-      patches: "../../../../third_party/dart/runtime/lib/convert_patch.dart"
+      patches: "../../../../third_party/dart/sdk/lib/_internal/vm/lib/convert_patch.dart"
 
     core:
       uri: "../../../../third_party/dart/sdk/lib/core/core.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/core_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/array.dart"
-        - "../../../../third_party/dart/runtime/lib/array_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/bigint_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/bool_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/date_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/double.dart"
-        - "../../../../third_party/dart/runtime/lib/double_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/errors_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/expando_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/function.dart"
-        - "../../../../third_party/dart/runtime/lib/function_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/growable_array.dart"
-        - "../../../../third_party/dart/runtime/lib/identical_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/immutable_map.dart"
-        - "../../../../third_party/dart/runtime/lib/integers.dart"
-        - "../../../../third_party/dart/runtime/lib/integers_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/invocation_mirror_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/lib_prefix.dart"
-        - "../../../../third_party/dart/runtime/lib/map_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/null_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/object_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/regexp_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/stacktrace.dart"
-        - "../../../../third_party/dart/runtime/lib/stopwatch_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/string_buffer_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/string_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/type_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/uri_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/weak_property.dart"
+        - "../../../../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"
 
     developer:
       uri: "../../../../third_party/dart/sdk/lib/developer/developer.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/developer.dart"
-        - "../../../../third_party/dart/runtime/lib/profiler.dart"
-        - "../../../../third_party/dart/runtime/lib/timeline.dart"
+        - "../../../../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"
 
     ffi:
       uri: "../../../../third_party/dart/sdk/lib/ffi/ffi.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/ffi_dynamic_library_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/ffi_native_type_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/ffi_patch.dart"
+        - "../../../../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"
 
     wasm:
       uri: "../../../../third_party/dart/sdk/lib/wasm/wasm.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/wasm_patch.dart"
+        - "../../../../third_party/dart/sdk/lib/_internal/vm/lib/wasm_patch.dart"
 
     _http:
       uri: "../../../../third_party/dart/sdk/lib/_http/http.dart"
@@ -104,37 +104,37 @@
     io:
       uri: "../../../../third_party/dart/sdk/lib/io/io.dart"
       patches:
-        - "../../../../third_party/dart/runtime/bin/common_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/directory_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/eventhandler_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/file_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/file_system_entity_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/filter_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/io_service_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/namespace_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/platform_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/process_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/socket_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/stdio_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/secure_socket_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/sync_socket_patch.dart"
+        - "../../../../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"
 
     isolate:
       uri: "../../../../third_party/dart/sdk/lib/isolate/isolate.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/isolate_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/timer_impl.dart"
+        - "../../../../third_party/dart/sdk/lib/_internal/vm/lib/isolate_patch.dart"
+        - "../../../../third_party/dart/sdk/lib/_internal/vm/lib/timer_impl.dart"
 
     math:
       uri: "../../../../third_party/dart/sdk/lib/math/math.dart"
-      patches: "../../../../third_party/dart/runtime/lib/math_patch.dart"
+      patches: "../../../../third_party/dart/sdk/lib/_internal/vm/lib/math_patch.dart"
 
     mirrors:
       uri: "../../../../third_party/dart/sdk/lib/mirrors/mirrors.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/mirrors_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/mirrors_impl.dart"
-        - "../../../../third_party/dart/runtime/lib/mirror_reference.dart"
+        - "../../../../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"
 
     nativewrappers:
       uri: "../../../../third_party/dart/sdk/lib/html/dartium/nativewrappers.dart"
@@ -144,7 +144,7 @@
 
     typed_data:
       uri: "../../../../third_party/dart/sdk/lib/typed_data/typed_data.dart"
-      patches: "../../../../third_party/dart/runtime/lib/typed_data_patch.dart"
+      patches: "../../../../third_party/dart/sdk/lib/_internal/vm/lib/typed_data_patch.dart"
 
     fuchsia.builtin:
       uri: "../../../../topaz/runtime/dart_runner/embedder/builtin.dart"
diff --git a/runtime/dart_runner/kernel/libraries_old.json b/runtime/dart_runner/kernel/libraries_old.json
new file mode 100644
index 0000000..4ca98ac
--- /dev/null
+++ b/runtime/dart_runner/kernel/libraries_old.json
@@ -0,0 +1,164 @@
+{
+  "comment:0": "NOTE: THIS FILE IS GENERATED. DO NOT EDIT.",
+  "comment:1": "Instead modify 'topaz/runtime/dart_runner/kernel/libraries.yaml' and follow the instructions therein.",
+  "dart_runner": {
+    "libraries": {
+      "_builtin": {
+        "uri": "../../../../third_party/dart/runtime/bin/builtin.dart"
+      },
+      "core": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/core_patch.dart",
+          "../../../../third_party/dart/runtime/lib/array.dart",
+          "../../../../third_party/dart/runtime/lib/array_patch.dart",
+          "../../../../third_party/dart/runtime/lib/bigint_patch.dart",
+          "../../../../third_party/dart/runtime/lib/bool_patch.dart",
+          "../../../../third_party/dart/runtime/lib/date_patch.dart",
+          "../../../../third_party/dart/runtime/lib/double.dart",
+          "../../../../third_party/dart/runtime/lib/double_patch.dart",
+          "../../../../third_party/dart/runtime/lib/errors_patch.dart",
+          "../../../../third_party/dart/runtime/lib/expando_patch.dart",
+          "../../../../third_party/dart/runtime/lib/function.dart",
+          "../../../../third_party/dart/runtime/lib/function_patch.dart",
+          "../../../../third_party/dart/runtime/lib/growable_array.dart",
+          "../../../../third_party/dart/runtime/lib/identical_patch.dart",
+          "../../../../third_party/dart/runtime/lib/immutable_map.dart",
+          "../../../../third_party/dart/runtime/lib/integers.dart",
+          "../../../../third_party/dart/runtime/lib/integers_patch.dart",
+          "../../../../third_party/dart/runtime/lib/invocation_mirror_patch.dart",
+          "../../../../third_party/dart/runtime/lib/lib_prefix.dart",
+          "../../../../third_party/dart/runtime/lib/map_patch.dart",
+          "../../../../third_party/dart/runtime/lib/null_patch.dart",
+          "../../../../third_party/dart/runtime/lib/object_patch.dart",
+          "../../../../third_party/dart/runtime/lib/regexp_patch.dart",
+          "../../../../third_party/dart/runtime/lib/stacktrace.dart",
+          "../../../../third_party/dart/runtime/lib/stopwatch_patch.dart",
+          "../../../../third_party/dart/runtime/lib/string_buffer_patch.dart",
+          "../../../../third_party/dart/runtime/lib/string_patch.dart",
+          "../../../../third_party/dart/runtime/lib/type_patch.dart",
+          "../../../../third_party/dart/runtime/lib/uri_patch.dart",
+          "../../../../third_party/dart/runtime/lib/weak_property.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/core/core.dart"
+      },
+      "zircon": {
+        "uri": "../../../../topaz/public/dart-pkg/zircon/lib/zircon.dart"
+      },
+      "async": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/async_patch.dart",
+          "../../../../third_party/dart/runtime/lib/deferred_load_patch.dart",
+          "../../../../third_party/dart/runtime/lib/schedule_microtask_patch.dart",
+          "../../../../third_party/dart/runtime/lib/timer_patch.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/async/async.dart"
+      },
+      "collection": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/collection_patch.dart",
+          "../../../../third_party/dart/runtime/lib/compact_hash.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/collection/collection.dart"
+      },
+      "ffi": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/ffi_dynamic_library_patch.dart",
+          "../../../../third_party/dart/runtime/lib/ffi_native_type_patch.dart",
+          "../../../../third_party/dart/runtime/lib/ffi_patch.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/ffi/ffi.dart"
+      },
+      "typed_data": {
+        "patches": "../../../../third_party/dart/runtime/lib/typed_data_patch.dart",
+        "uri": "../../../../third_party/dart/sdk/lib/typed_data/typed_data.dart"
+      },
+      "nativewrappers": {
+        "uri": "../../../../third_party/dart/sdk/lib/html/dartium/nativewrappers.dart"
+      },
+      "mirrors": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/mirrors_patch.dart",
+          "../../../../third_party/dart/runtime/lib/mirrors_impl.dart",
+          "../../../../third_party/dart/runtime/lib/mirror_reference.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/mirrors/mirrors.dart"
+      },
+      "developer": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/developer.dart",
+          "../../../../third_party/dart/runtime/lib/profiler.dart",
+          "../../../../third_party/dart/runtime/lib/timeline.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/developer/developer.dart"
+      },
+      "isolate": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/isolate_patch.dart",
+          "../../../../third_party/dart/runtime/lib/timer_impl.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/isolate/isolate.dart"
+      },
+      "_vmservice": {
+        "uri": "../../../../third_party/dart/sdk/lib/vmservice/vmservice.dart"
+      },
+      "wasm": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/wasm_patch.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/wasm/wasm.dart"
+      },
+      "io": {
+        "patches": [
+          "../../../../third_party/dart/runtime/bin/common_patch.dart",
+          "../../../../third_party/dart/runtime/bin/directory_patch.dart",
+          "../../../../third_party/dart/runtime/bin/eventhandler_patch.dart",
+          "../../../../third_party/dart/runtime/bin/file_patch.dart",
+          "../../../../third_party/dart/runtime/bin/file_system_entity_patch.dart",
+          "../../../../third_party/dart/runtime/bin/filter_patch.dart",
+          "../../../../third_party/dart/runtime/bin/io_service_patch.dart",
+          "../../../../third_party/dart/runtime/bin/namespace_patch.dart",
+          "../../../../third_party/dart/runtime/bin/platform_patch.dart",
+          "../../../../third_party/dart/runtime/bin/process_patch.dart",
+          "../../../../third_party/dart/runtime/bin/socket_patch.dart",
+          "../../../../third_party/dart/runtime/bin/stdio_patch.dart",
+          "../../../../third_party/dart/runtime/bin/secure_socket_patch.dart",
+          "../../../../third_party/dart/runtime/bin/sync_socket_patch.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/io/io.dart"
+      },
+      "_internal": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/internal_patch.dart",
+          "../../../../third_party/dart/runtime/lib/class_id_fasta.dart",
+          "../../../../third_party/dart/runtime/lib/print_patch.dart",
+          "../../../../third_party/dart/runtime/lib/symbol_patch.dart",
+          "../../../../third_party/dart/sdk/lib/internal/patch.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/internal/internal.dart"
+      },
+      "convert": {
+        "patches": "../../../../third_party/dart/runtime/lib/convert_patch.dart",
+        "uri": "../../../../third_party/dart/sdk/lib/convert/convert.dart"
+      },
+      "profiler": {
+        "uri": "../../../../third_party/dart/sdk/lib/profiler/profiler.dart"
+      },
+      "math": {
+        "patches": "../../../../third_party/dart/runtime/lib/math_patch.dart",
+        "uri": "../../../../third_party/dart/sdk/lib/math/math.dart"
+      },
+      "_http": {
+        "uri": "../../../../third_party/dart/sdk/lib/_http/http.dart"
+      },
+      "fuchsia": {
+        "uri": "../../../../topaz/public/dart-pkg/fuchsia/lib/fuchsia.dart"
+      },
+      "fuchsia.builtin": {
+        "uri": "../../../../topaz/runtime/dart_runner/embedder/builtin.dart"
+      },
+      "vmservice_io": {
+        "uri": "../../../../third_party/dart/runtime/bin/vmservice/vmservice_io.dart"
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/runtime/flutter_runner/kernel/BUILD.gn b/runtime/flutter_runner/kernel/BUILD.gn
index 8282b3e..6b4ea92 100644
--- a/runtime/flutter_runner/kernel/BUILD.gn
+++ b/runtime/flutter_runner/kernel/BUILD.gn
@@ -13,8 +13,14 @@
   single_root_scheme = "org-dartlang-sdk"
   single_root_base = rebase_path("../../../../")
 
-  libraries_specification_uri =
+  libraries_found = exec_script("../../get_libraries_json.py", [], "list lines")
+  if (libraries_found[0] == "True") {
+    libraries_specification_uri =
       "org-dartlang-sdk:///topaz/runtime/flutter_runner/kernel/libraries.json"
+  } else {
+    libraries_specification_uri =
+      "org-dartlang-sdk:///topaz/runtime/flutter_runner/kernel/libraries_old.json"
+  }
 
   outputs = [
     "$root_out_dir/flutter_runner_patched_sdk/platform_strong.dill",
diff --git a/runtime/flutter_runner/kernel/libraries.json b/runtime/flutter_runner/kernel/libraries.json
index 01e7861..d9aeb0c 100644
--- a/runtime/flutter_runner/kernel/libraries.json
+++ b/runtime/flutter_runner/kernel/libraries.json
@@ -4,40 +4,40 @@
   "flutter_runner": {
     "libraries": {
       "_builtin": {
-        "uri": "../../../../third_party/dart/runtime/bin/builtin.dart"
+        "uri": "../../../../third_party/dart/sdk/lib/_internal/vm/bin/builtin.dart"
       },
       "core": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/core_patch.dart",
-          "../../../../third_party/dart/runtime/lib/array.dart",
-          "../../../../third_party/dart/runtime/lib/array_patch.dart",
-          "../../../../third_party/dart/runtime/lib/bigint_patch.dart",
-          "../../../../third_party/dart/runtime/lib/bool_patch.dart",
-          "../../../../third_party/dart/runtime/lib/date_patch.dart",
-          "../../../../third_party/dart/runtime/lib/double.dart",
-          "../../../../third_party/dart/runtime/lib/double_patch.dart",
-          "../../../../third_party/dart/runtime/lib/errors_patch.dart",
-          "../../../../third_party/dart/runtime/lib/expando_patch.dart",
-          "../../../../third_party/dart/runtime/lib/function.dart",
-          "../../../../third_party/dart/runtime/lib/function_patch.dart",
-          "../../../../third_party/dart/runtime/lib/growable_array.dart",
-          "../../../../third_party/dart/runtime/lib/identical_patch.dart",
-          "../../../../third_party/dart/runtime/lib/immutable_map.dart",
-          "../../../../third_party/dart/runtime/lib/integers.dart",
-          "../../../../third_party/dart/runtime/lib/integers_patch.dart",
-          "../../../../third_party/dart/runtime/lib/invocation_mirror_patch.dart",
-          "../../../../third_party/dart/runtime/lib/lib_prefix.dart",
-          "../../../../third_party/dart/runtime/lib/map_patch.dart",
-          "../../../../third_party/dart/runtime/lib/null_patch.dart",
-          "../../../../third_party/dart/runtime/lib/object_patch.dart",
-          "../../../../third_party/dart/runtime/lib/regexp_patch.dart",
-          "../../../../third_party/dart/runtime/lib/stacktrace.dart",
-          "../../../../third_party/dart/runtime/lib/stopwatch_patch.dart",
-          "../../../../third_party/dart/runtime/lib/string_buffer_patch.dart",
-          "../../../../third_party/dart/runtime/lib/string_patch.dart",
-          "../../../../third_party/dart/runtime/lib/type_patch.dart",
-          "../../../../third_party/dart/runtime/lib/uri_patch.dart",
-          "../../../../third_party/dart/runtime/lib/weak_property.dart"
+          "../../../../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"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/core/core.dart"
       },
@@ -46,30 +46,30 @@
       },
       "async": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/async_patch.dart",
-          "../../../../third_party/dart/runtime/lib/deferred_load_patch.dart",
-          "../../../../third_party/dart/runtime/lib/schedule_microtask_patch.dart",
-          "../../../../third_party/dart/runtime/lib/timer_patch.dart"
+          "../../../../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"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/async/async.dart"
       },
       "collection": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/collection_patch.dart",
-          "../../../../third_party/dart/runtime/lib/compact_hash.dart"
+          "../../../../third_party/dart/sdk/lib/_internal/vm/lib/collection_patch.dart",
+          "../../../../third_party/dart/sdk/lib/_internal/vm/lib/compact_hash.dart"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/collection/collection.dart"
       },
       "ffi": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/ffi_dynamic_library_patch.dart",
-          "../../../../third_party/dart/runtime/lib/ffi_native_type_patch.dart",
-          "../../../../third_party/dart/runtime/lib/ffi_patch.dart"
+          "../../../../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"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/ffi/ffi.dart"
       },
       "typed_data": {
-        "patches": "../../../../third_party/dart/runtime/lib/typed_data_patch.dart",
+        "patches": "../../../../third_party/dart/sdk/lib/_internal/vm/lib/typed_data_patch.dart",
         "uri": "../../../../third_party/dart/sdk/lib/typed_data/typed_data.dart"
       },
       "nativewrappers": {
@@ -77,24 +77,24 @@
       },
       "mirrors": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/mirrors_patch.dart",
-          "../../../../third_party/dart/runtime/lib/mirrors_impl.dart",
-          "../../../../third_party/dart/runtime/lib/mirror_reference.dart"
+          "../../../../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"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/mirrors/mirrors.dart"
       },
       "developer": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/developer.dart",
-          "../../../../third_party/dart/runtime/lib/profiler.dart",
-          "../../../../third_party/dart/runtime/lib/timeline.dart"
+          "../../../../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"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/developer/developer.dart"
       },
       "isolate": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/isolate_patch.dart",
-          "../../../../third_party/dart/runtime/lib/timer_impl.dart"
+          "../../../../third_party/dart/sdk/lib/_internal/vm/lib/isolate_patch.dart",
+          "../../../../third_party/dart/sdk/lib/_internal/vm/lib/timer_impl.dart"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/isolate/isolate.dart"
       },
@@ -103,48 +103,48 @@
       },
       "wasm": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/wasm_patch.dart"
+          "../../../../third_party/dart/sdk/lib/_internal/vm/lib/wasm_patch.dart"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/wasm/wasm.dart"
       },
       "io": {
         "patches": [
-          "../../../../third_party/dart/runtime/bin/common_patch.dart",
-          "../../../../third_party/dart/runtime/bin/directory_patch.dart",
-          "../../../../third_party/dart/runtime/bin/eventhandler_patch.dart",
-          "../../../../third_party/dart/runtime/bin/file_patch.dart",
-          "../../../../third_party/dart/runtime/bin/file_system_entity_patch.dart",
-          "../../../../third_party/dart/runtime/bin/filter_patch.dart",
-          "../../../../third_party/dart/runtime/bin/io_service_patch.dart",
-          "../../../../third_party/dart/runtime/bin/namespace_patch.dart",
-          "../../../../third_party/dart/runtime/bin/platform_patch.dart",
-          "../../../../third_party/dart/runtime/bin/process_patch.dart",
-          "../../../../third_party/dart/runtime/bin/socket_patch.dart",
-          "../../../../third_party/dart/runtime/bin/stdio_patch.dart",
-          "../../../../third_party/dart/runtime/bin/secure_socket_patch.dart",
-          "../../../../third_party/dart/runtime/bin/sync_socket_patch.dart"
+          "../../../../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"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/io/io.dart"
       },
       "_internal": {
         "patches": [
-          "../../../../third_party/dart/runtime/lib/internal_patch.dart",
-          "../../../../third_party/dart/runtime/lib/class_id_fasta.dart",
-          "../../../../third_party/dart/runtime/lib/print_patch.dart",
-          "../../../../third_party/dart/runtime/lib/symbol_patch.dart",
+          "../../../../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"
         ],
         "uri": "../../../../third_party/dart/sdk/lib/internal/internal.dart"
       },
       "convert": {
-        "patches": "../../../../third_party/dart/runtime/lib/convert_patch.dart",
+        "patches": "../../../../third_party/dart/sdk/lib/_internal/vm/lib/convert_patch.dart",
         "uri": "../../../../third_party/dart/sdk/lib/convert/convert.dart"
       },
       "profiler": {
         "uri": "../../../../third_party/dart/sdk/lib/profiler/profiler.dart"
       },
       "math": {
-        "patches": "../../../../third_party/dart/runtime/lib/math_patch.dart",
+        "patches": "../../../../third_party/dart/sdk/lib/_internal/vm/lib/math_patch.dart",
         "uri": "../../../../third_party/dart/sdk/lib/math/math.dart"
       },
       "_http": {
diff --git a/runtime/flutter_runner/kernel/libraries.yaml b/runtime/flutter_runner/kernel/libraries.yaml
index b012051..1a21a40 100644
--- a/runtime/flutter_runner/kernel/libraries.yaml
+++ b/runtime/flutter_runner/kernel/libraries.yaml
@@ -16,87 +16,87 @@
 flutter_runner:
   libraries:
     _builtin:
-      uri: "../../../../third_party/dart/runtime/bin/builtin.dart"
+      uri: "../../../../third_party/dart/sdk/lib/_internal/vm/bin/builtin.dart"
 
     _internal:
       uri: "../../../../third_party/dart/sdk/lib/internal/internal.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/internal_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/class_id_fasta.dart"
-        - "../../../../third_party/dart/runtime/lib/print_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/symbol_patch.dart"
+        - "../../../../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"
 
     async:
       uri: "../../../../third_party/dart/sdk/lib/async/async.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/async_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/deferred_load_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/schedule_microtask_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/timer_patch.dart"
+        - "../../../../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"
 
     collection:
       uri: "../../../../third_party/dart/sdk/lib/collection/collection.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/collection_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/compact_hash.dart"
+        - "../../../../third_party/dart/sdk/lib/_internal/vm/lib/collection_patch.dart"
+        - "../../../../third_party/dart/sdk/lib/_internal/vm/lib/compact_hash.dart"
 
     convert:
       uri: "../../../../third_party/dart/sdk/lib/convert/convert.dart"
-      patches: "../../../../third_party/dart/runtime/lib/convert_patch.dart"
+      patches: "../../../../third_party/dart/sdk/lib/_internal/vm/lib/convert_patch.dart"
 
     core:
       uri: "../../../../third_party/dart/sdk/lib/core/core.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/core_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/array.dart"
-        - "../../../../third_party/dart/runtime/lib/array_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/bigint_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/bool_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/date_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/double.dart"
-        - "../../../../third_party/dart/runtime/lib/double_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/errors_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/expando_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/function.dart"
-        - "../../../../third_party/dart/runtime/lib/function_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/growable_array.dart"
-        - "../../../../third_party/dart/runtime/lib/identical_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/immutable_map.dart"
-        - "../../../../third_party/dart/runtime/lib/integers.dart"
-        - "../../../../third_party/dart/runtime/lib/integers_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/invocation_mirror_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/lib_prefix.dart"
-        - "../../../../third_party/dart/runtime/lib/map_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/null_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/object_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/regexp_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/stacktrace.dart"
-        - "../../../../third_party/dart/runtime/lib/stopwatch_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/string_buffer_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/string_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/type_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/uri_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/weak_property.dart"
+        - "../../../../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"
 
     developer:
       uri: "../../../../third_party/dart/sdk/lib/developer/developer.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/developer.dart"
-        - "../../../../third_party/dart/runtime/lib/profiler.dart"
-        - "../../../../third_party/dart/runtime/lib/timeline.dart"
+        - "../../../../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"
 
     ffi:
       uri: "../../../../third_party/dart/sdk/lib/ffi/ffi.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/ffi_dynamic_library_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/ffi_native_type_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/ffi_patch.dart"
+        - "../../../../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"
 
     wasm:
       uri: "../../../../third_party/dart/sdk/lib/wasm/wasm.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/wasm_patch.dart"
+        - "../../../../third_party/dart/sdk/lib/_internal/vm/lib/wasm_patch.dart"
 
     _http:
       uri: "../../../../third_party/dart/sdk/lib/_http/http.dart"
@@ -104,37 +104,37 @@
     io:
       uri: "../../../../third_party/dart/sdk/lib/io/io.dart"
       patches:
-        - "../../../../third_party/dart/runtime/bin/common_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/directory_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/eventhandler_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/file_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/file_system_entity_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/filter_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/io_service_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/namespace_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/platform_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/process_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/socket_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/stdio_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/secure_socket_patch.dart"
-        - "../../../../third_party/dart/runtime/bin/sync_socket_patch.dart"
+        - "../../../../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"
 
     isolate:
       uri: "../../../../third_party/dart/sdk/lib/isolate/isolate.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/isolate_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/timer_impl.dart"
+        - "../../../../third_party/dart/sdk/lib/_internal/vm/lib/isolate_patch.dart"
+        - "../../../../third_party/dart/sdk/lib/_internal/vm/lib/timer_impl.dart"
 
     math:
       uri: "../../../../third_party/dart/sdk/lib/math/math.dart"
-      patches: "../../../../third_party/dart/runtime/lib/math_patch.dart"
+      patches: "../../../../third_party/dart/sdk/lib/_internal/vm/lib/math_patch.dart"
 
     mirrors:
       uri: "../../../../third_party/dart/sdk/lib/mirrors/mirrors.dart"
       patches:
-        - "../../../../third_party/dart/runtime/lib/mirrors_patch.dart"
-        - "../../../../third_party/dart/runtime/lib/mirrors_impl.dart"
-        - "../../../../third_party/dart/runtime/lib/mirror_reference.dart"
+        - "../../../../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"
 
     nativewrappers:
       uri: "../../../../third_party/dart/sdk/lib/html/dartium/nativewrappers.dart"
@@ -144,7 +144,7 @@
 
     typed_data:
       uri: "../../../../third_party/dart/sdk/lib/typed_data/typed_data.dart"
-      patches: "../../../../third_party/dart/runtime/lib/typed_data_patch.dart"
+      patches: "../../../../third_party/dart/sdk/lib/_internal/vm/lib/typed_data_patch.dart"
 
     fuchsia.builtin:
       uri: "../../../../topaz/runtime/dart_runner/embedder/builtin.dart"
diff --git a/runtime/flutter_runner/kernel/libraries_old.json b/runtime/flutter_runner/kernel/libraries_old.json
new file mode 100644
index 0000000..01e7861
--- /dev/null
+++ b/runtime/flutter_runner/kernel/libraries_old.json
@@ -0,0 +1,167 @@
+{
+  "comment:0": "NOTE: THIS FILE IS GENERATED. DO NOT EDIT.",
+  "comment:1": "Instead modify 'topaz/runtime/flutter_runner/kernel/libraries.yaml' and follow the instructions therein.",
+  "flutter_runner": {
+    "libraries": {
+      "_builtin": {
+        "uri": "../../../../third_party/dart/runtime/bin/builtin.dart"
+      },
+      "core": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/core_patch.dart",
+          "../../../../third_party/dart/runtime/lib/array.dart",
+          "../../../../third_party/dart/runtime/lib/array_patch.dart",
+          "../../../../third_party/dart/runtime/lib/bigint_patch.dart",
+          "../../../../third_party/dart/runtime/lib/bool_patch.dart",
+          "../../../../third_party/dart/runtime/lib/date_patch.dart",
+          "../../../../third_party/dart/runtime/lib/double.dart",
+          "../../../../third_party/dart/runtime/lib/double_patch.dart",
+          "../../../../third_party/dart/runtime/lib/errors_patch.dart",
+          "../../../../third_party/dart/runtime/lib/expando_patch.dart",
+          "../../../../third_party/dart/runtime/lib/function.dart",
+          "../../../../third_party/dart/runtime/lib/function_patch.dart",
+          "../../../../third_party/dart/runtime/lib/growable_array.dart",
+          "../../../../third_party/dart/runtime/lib/identical_patch.dart",
+          "../../../../third_party/dart/runtime/lib/immutable_map.dart",
+          "../../../../third_party/dart/runtime/lib/integers.dart",
+          "../../../../third_party/dart/runtime/lib/integers_patch.dart",
+          "../../../../third_party/dart/runtime/lib/invocation_mirror_patch.dart",
+          "../../../../third_party/dart/runtime/lib/lib_prefix.dart",
+          "../../../../third_party/dart/runtime/lib/map_patch.dart",
+          "../../../../third_party/dart/runtime/lib/null_patch.dart",
+          "../../../../third_party/dart/runtime/lib/object_patch.dart",
+          "../../../../third_party/dart/runtime/lib/regexp_patch.dart",
+          "../../../../third_party/dart/runtime/lib/stacktrace.dart",
+          "../../../../third_party/dart/runtime/lib/stopwatch_patch.dart",
+          "../../../../third_party/dart/runtime/lib/string_buffer_patch.dart",
+          "../../../../third_party/dart/runtime/lib/string_patch.dart",
+          "../../../../third_party/dart/runtime/lib/type_patch.dart",
+          "../../../../third_party/dart/runtime/lib/uri_patch.dart",
+          "../../../../third_party/dart/runtime/lib/weak_property.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/core/core.dart"
+      },
+      "zircon": {
+        "uri": "../../../../topaz/public/dart-pkg/zircon/lib/zircon.dart"
+      },
+      "async": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/async_patch.dart",
+          "../../../../third_party/dart/runtime/lib/deferred_load_patch.dart",
+          "../../../../third_party/dart/runtime/lib/schedule_microtask_patch.dart",
+          "../../../../third_party/dart/runtime/lib/timer_patch.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/async/async.dart"
+      },
+      "collection": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/collection_patch.dart",
+          "../../../../third_party/dart/runtime/lib/compact_hash.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/collection/collection.dart"
+      },
+      "ffi": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/ffi_dynamic_library_patch.dart",
+          "../../../../third_party/dart/runtime/lib/ffi_native_type_patch.dart",
+          "../../../../third_party/dart/runtime/lib/ffi_patch.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/ffi/ffi.dart"
+      },
+      "typed_data": {
+        "patches": "../../../../third_party/dart/runtime/lib/typed_data_patch.dart",
+        "uri": "../../../../third_party/dart/sdk/lib/typed_data/typed_data.dart"
+      },
+      "nativewrappers": {
+        "uri": "../../../../third_party/dart/sdk/lib/html/dartium/nativewrappers.dart"
+      },
+      "mirrors": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/mirrors_patch.dart",
+          "../../../../third_party/dart/runtime/lib/mirrors_impl.dart",
+          "../../../../third_party/dart/runtime/lib/mirror_reference.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/mirrors/mirrors.dart"
+      },
+      "developer": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/developer.dart",
+          "../../../../third_party/dart/runtime/lib/profiler.dart",
+          "../../../../third_party/dart/runtime/lib/timeline.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/developer/developer.dart"
+      },
+      "isolate": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/isolate_patch.dart",
+          "../../../../third_party/dart/runtime/lib/timer_impl.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/isolate/isolate.dart"
+      },
+      "_vmservice": {
+        "uri": "../../../../third_party/dart/sdk/lib/vmservice/vmservice.dart"
+      },
+      "wasm": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/wasm_patch.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/wasm/wasm.dart"
+      },
+      "io": {
+        "patches": [
+          "../../../../third_party/dart/runtime/bin/common_patch.dart",
+          "../../../../third_party/dart/runtime/bin/directory_patch.dart",
+          "../../../../third_party/dart/runtime/bin/eventhandler_patch.dart",
+          "../../../../third_party/dart/runtime/bin/file_patch.dart",
+          "../../../../third_party/dart/runtime/bin/file_system_entity_patch.dart",
+          "../../../../third_party/dart/runtime/bin/filter_patch.dart",
+          "../../../../third_party/dart/runtime/bin/io_service_patch.dart",
+          "../../../../third_party/dart/runtime/bin/namespace_patch.dart",
+          "../../../../third_party/dart/runtime/bin/platform_patch.dart",
+          "../../../../third_party/dart/runtime/bin/process_patch.dart",
+          "../../../../third_party/dart/runtime/bin/socket_patch.dart",
+          "../../../../third_party/dart/runtime/bin/stdio_patch.dart",
+          "../../../../third_party/dart/runtime/bin/secure_socket_patch.dart",
+          "../../../../third_party/dart/runtime/bin/sync_socket_patch.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/io/io.dart"
+      },
+      "_internal": {
+        "patches": [
+          "../../../../third_party/dart/runtime/lib/internal_patch.dart",
+          "../../../../third_party/dart/runtime/lib/class_id_fasta.dart",
+          "../../../../third_party/dart/runtime/lib/print_patch.dart",
+          "../../../../third_party/dart/runtime/lib/symbol_patch.dart",
+          "../../../../third_party/dart/sdk/lib/internal/patch.dart"
+        ],
+        "uri": "../../../../third_party/dart/sdk/lib/internal/internal.dart"
+      },
+      "convert": {
+        "patches": "../../../../third_party/dart/runtime/lib/convert_patch.dart",
+        "uri": "../../../../third_party/dart/sdk/lib/convert/convert.dart"
+      },
+      "profiler": {
+        "uri": "../../../../third_party/dart/sdk/lib/profiler/profiler.dart"
+      },
+      "math": {
+        "patches": "../../../../third_party/dart/runtime/lib/math_patch.dart",
+        "uri": "../../../../third_party/dart/sdk/lib/math/math.dart"
+      },
+      "_http": {
+        "uri": "../../../../third_party/dart/sdk/lib/_http/http.dart"
+      },
+      "fuchsia": {
+        "uri": "../../../../topaz/public/dart-pkg/fuchsia/lib/fuchsia.dart"
+      },
+      "fuchsia.builtin": {
+        "uri": "../../../../topaz/runtime/dart_runner/embedder/builtin.dart"
+      },
+      "ui": {
+        "uri": "../../../../third_party/flutter/lib/ui/ui.dart"
+      },
+      "vmservice_io": {
+        "uri": "../../../../third_party/dart/runtime/bin/vmservice/vmservice_io.dart"
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/runtime/get_libraries_json.py b/runtime/get_libraries_json.py
new file mode 100755
index 0000000..0bd733a
--- /dev/null
+++ b/runtime/get_libraries_json.py
@@ -0,0 +1,7 @@
+#!/usr/bin/env python
+import os
+
+if os.path.exists("../../third_party/dart/sdk/lib/_internal/vm/bin/builtin.dart"):
+	print("True")
+else:
+	print("False")
\ No newline at end of file