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pkg/dev_compiler/tool/sdk_expected_errors.txt

Index: pkg/dev_compiler/tool/sdk_expected_errors.txt
diff --git a/pkg/dev_compiler/tool/sdk_expected_errors.txt b/pkg/dev_compiler/tool/sdk_expected_errors.txt
index 381ac619a0aae5bbb94a4ac5978e6d10eddc5d6d..9badbd3f08cbaf8bc7ce022f4b3314be7368ef25 100644
--- a/pkg/dev_compiler/tool/sdk_expected_errors.txt
+++ b/pkg/dev_compiler/tool/sdk_expected_errors.txt
@@ -1,45 +1,65 @@
-[error] Couldn't infer type parameter 'T'; '_ControllerEventSinkWrapper<dynamic>' must be of type 'EventSink<T>'. (dart:async/stream.dart, line 1346, col 16)
-[error] The argument type '_ControllerEventSinkWrapper' can't be assigned to the parameter type 'EventSink<T>'. (dart:async/stream.dart, line 1346, col 53)
-[error] Type parameter bound types must be instantiated. (dart:collection/queue.dart, line 99, col 29)
+[error] Couldn't infer type parameter 'T'; '_ControllerEventSinkWrapper<dynamic>' must be of type 'EventSink<T>'. (dart:async/stream.dart, line 1359, col 16)
+[error] The argument type '_ControllerEventSinkWrapper' can't be assigned to the parameter type 'EventSink<T>'. (dart:async/stream.dart, line 1359, col 53)
+[error] Type parameter bound types must be instantiated. (dart:collection/queue.dart, line 99, col 32)
+[error] Invalid override. The type of '_UnicodeSubsetEncoder.startChunkedConversion' ('(Sink<List<int>>) → StringConversionSink') isn't a subtype of 'ChunkedConverter<String, List<int>, String, List<int>>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:convert/ascii.dart, line 107, col 3)
+[error] Invalid override. The type of '_UnicodeSubsetEncoder.bind' ('(Stream<String>) → Stream<List<int>>') isn't a subtype of 'ChunkedConverter<String, List<int>, String, List<int>>.bind' ('(dynamic) → dynamic'). (dart:convert/ascii.dart, line 115, col 3)
+[error] Invalid override. The type of '_UnicodeSubsetDecoder.startChunkedConversion' ('(Sink<String>) → ByteConversionSink') isn't a subtype of 'ChunkedConverter<List<int>, String, List<int>, String>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:convert/ascii.dart, line 221, col 3)
+[error] Invalid override. The type of '_UnicodeSubsetDecoder.bind' ('(Stream<List<int>>) → Stream<String>') isn't a subtype of 'ChunkedConverter<List<int>, String, List<int>, String>.bind' ('(dynamic) → dynamic'). (dart:convert/ascii.dart, line 224, col 3)
+[error] Invalid override. The type of 'AsciiDecoder.startChunkedConversion' ('(Sink<String>) → ByteConversionSink') isn't a subtype of 'ChunkedConverter<List<int>, String, List<int>, String>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:convert/ascii.dart, line 237, col 3)
+[error] Base class introduces an invalid override. The type of 'Converter.bind' ('(Stream<List<int>>) → Stream<String>') isn't a subtype of 'ChunkedConverter<List<int>, String, List<int>, String>.bind' ('(dynamic) → dynamic'). (dart:convert/base64.dart, line 207, col 21)
+[error] Invalid override. The type of 'Base64Encoder.startChunkedConversion' ('(Sink<String>) → ByteConversionSink') isn't a subtype of 'ChunkedConverter<List<int>, String, List<int>, String>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:convert/base64.dart, line 222, col 3)
+[error] Base class introduces an invalid override. The type of 'Converter.bind' ('(Stream<String>) → Stream<List<int>>') isn't a subtype of 'ChunkedConverter<String, List<int>, String, List<int>>.bind' ('(dynamic) → dynamic'). (dart:convert/base64.dart, line 479, col 21)
+[error] Invalid override. The type of 'Base64Decoder.startChunkedConversion' ('(Sink<List<int>>) → StringConversionSink') isn't a subtype of 'ChunkedConverter<String, List<int>, String, List<int>>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:convert/base64.dart, line 493, col 3)
 [error] Invalid override. The type of 'ChunkedConverter.bind' ('(dynamic) → dynamic') isn't a subtype of 'Converter<S, T>.bind' ('(Stream<S>) → Stream<T>'). (dart:convert/chunked_conversion.dart, line 14, col 3)
 [error] Invalid override. The type of 'ChunkedConverter.bind' ('(dynamic) → dynamic') isn't a subtype of 'StreamTransformer<S, T>.bind' ('(Stream<S>) → Stream<T>'). (dart:convert/chunked_conversion.dart, line 14, col 3)
 [error] Invalid override. The type of 'ChunkedConverter.startChunkedConversion' ('(dynamic) → dynamic') isn't a subtype of 'Converter<S, T>.startChunkedConversion' ('(Sink<T>) → Sink<S>'). (dart:convert/chunked_conversion.dart, line 15, col 3)
+[error] Base class introduces an invalid override. The type of 'Converter.bind' ('(Stream<S>) → Stream<T>') isn't a subtype of 'ChunkedConverter<S, T, S, T>.bind' ('(dynamic) → dynamic'). (dart:convert/converter.dart, line 54, col 32)
+[error] Invalid override. The type of '_FusedConverter.startChunkedConversion' ('(Sink<T>) → Sink<S>') isn't a subtype of 'ChunkedConverter<S, T, S, T>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:convert/converter.dart, line 63, col 3)
+[error] Base class introduces an invalid override. The type of 'Converter.bind' ('(Stream<String>) → Stream<String>') isn't a subtype of 'ChunkedConverter<String, String, String, String>.bind' ('(dynamic) → dynamic'). (dart:convert/html_escape.dart, line 155, col 18)
+[error] Invalid override. The type of 'HtmlEscape.startChunkedConversion' ('(Sink<String>) → StringConversionSink') isn't a subtype of 'ChunkedConverter<String, String, String, String>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:convert/html_escape.dart, line 207, col 3)
+[error] Invalid override. The type of 'JsonEncoder.startChunkedConversion' ('(Sink<String>) → ChunkedConversionSink<Object>') isn't a subtype of 'ChunkedConverter<Object, String, Object, String>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:convert/json.dart, line 257, col 3)
+[error] Invalid override. The type of 'JsonEncoder.bind' ('(Stream<Object>) → Stream<String>') isn't a subtype of 'ChunkedConverter<Object, String, Object, String>.bind' ('(dynamic) → dynamic'). (dart:convert/json.dart, line 269, col 3)
+[error] Invalid override. The type of 'JsonUtf8Encoder.startChunkedConversion' ('(Sink<List<int>>) → ChunkedConversionSink<Object>') isn't a subtype of 'ChunkedConverter<Object, List<int>, Object, List<int>>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:convert/json.dart, line 385, col 3)
+[error] Invalid override. The type of 'JsonUtf8Encoder.bind' ('(Stream<Object>) → Stream<List<int>>') isn't a subtype of 'ChunkedConverter<Object, List<int>, Object, List<int>>.bind' ('(dynamic) → dynamic'). (dart:convert/json.dart, line 397, col 3)
+[error] Invalid override. The type of 'JsonDecoder.startChunkedConversion' ('(Sink<Object>) → StringConversionSink') isn't a subtype of 'ChunkedConverter<String, Object, String, Object>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:convert/json.dart, line 507, col 3)
+[error] Invalid override. The type of 'JsonDecoder.bind' ('(Stream<String>) → Stream<Object>') isn't a subtype of 'ChunkedConverter<String, Object, String, Object>.bind' ('(dynamic) → dynamic'). (dart:convert/json.dart, line 512, col 3)
+[error] Invalid override. The type of 'Latin1Decoder.startChunkedConversion' ('(Sink<String>) → ByteConversionSink') isn't a subtype of 'ChunkedConverter<List<int>, String, List<int>, String>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:convert/latin1.dart, line 100, col 3)
+[error] Invalid override. The type of 'Utf8Encoder.startChunkedConversion' ('(Sink<List<int>>) → StringConversionSink') isn't a subtype of 'ChunkedConverter<String, List<int>, String, List<int>>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:convert/utf.dart, line 122, col 3)
+[error] Invalid override. The type of 'Utf8Encoder.bind' ('(Stream<String>) → Stream<List<int>>') isn't a subtype of 'ChunkedConverter<String, List<int>, String, List<int>>.bind' ('(dynamic) → dynamic'). (dart:convert/utf.dart, line 130, col 3)
+[error] Invalid override. The type of 'Utf8Decoder.startChunkedConversion' ('(Sink<String>) → ByteConversionSink') isn't a subtype of 'ChunkedConverter<List<int>, String, List<int>, String>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:convert/utf.dart, line 360, col 3)
+[error] Invalid override. The type of 'Utf8Decoder.bind' ('(Stream<List<int>>) → Stream<String>') isn't a subtype of 'ChunkedConverter<List<int>, String, List<int>, String>.bind' ('(dynamic) → dynamic'). (dart:convert/utf.dart, line 371, col 3)
 [error] Only redirecting factory constructors can be declared to be 'const'. (dart:core/bool.dart, line 41, col 9)
 [error] Const constructors can't throw exceptions. (dart:core/bool.dart, line 42, col 5)
 [error] Only redirecting factory constructors can be declared to be 'const'. (dart:core/int.dart, line 33, col 9)
 [error] Const constructors can't throw exceptions. (dart:core/int.dart, line 34, col 5)
+[error] Annotation must be either a const variable reference or const constructor invocation. (dart:core/stacktrace.dart, line 43, col 3)
 [error] Only redirecting factory constructors can be declared to be 'const'. (dart:core/string.dart, line 156, col 9)
 [error] Const constructors can't throw exceptions. (dart:core/string.dart, line 157, col 5)
-[error] Couldn't infer type parameter 'S'; 'RandomAccessFile' must be of type 'File'. (dart:io/file_impl.dart, line 216, col 19)
-[error] The argument type '(RandomAccessFile) → Future<RandomAccessFile>' can't be assigned to the parameter type '(RandomAccessFile) → FutureOr<File>'. (dart:io/file_impl.dart, line 216, col 24)
-[error] The return type 'Future' isn't a 'FutureOr<File>', as defined by the method ''. (dart:io/file_impl.dart, line 545, col 14)
-[error] The return type 'StreamSubscription<int>' isn't a 'StreamSubscription<List<int>>', as defined by the method 'listen'. (dart:io/http_parser.dart, line 208, col 14)
-[error] The argument type '(List<int>) → void' can't be assigned to the parameter type '(int) → void'. (dart:io/http_parser.dart, line 209, col 19)
-[error] Couldn't infer type parameter 'V'; 'Object' must be of type 'String'. (dart:io/io_resource_info.dart, line 27, col 7)
-[error] The element type 'int' can't be assigned to the map value type 'String'. (dart:io/io_resource_info.dart, line 30, col 15)
-[error] Couldn't infer type parameter 'V'; 'Object' must be of type 'String'. (dart:io/io_resource_info.dart, line 75, col 5)
-[error] The element type 'int' can't be assigned to the map value type 'String'. (dart:io/io_resource_info.dart, line 77, col 13)
-[error] The element type 'int' can't be assigned to the map value type 'String'. (dart:io/io_resource_info.dart, line 79, col 20)
-[error] The element type 'int' can't be assigned to the map value type 'String'. (dart:io/io_resource_info.dart, line 80, col 23)
-[error] The element type 'int' can't be assigned to the map value type 'String'. (dart:io/io_resource_info.dart, line 81, col 20)
-[error] The element type 'int' can't be assigned to the map value type 'String'. (dart:io/io_resource_info.dart, line 82, col 21)
-[error] The element type 'double' can't be assigned to the map value type 'String'. (dart:io/io_resource_info.dart, line 83, col 19)
-[error] The element type 'double' can't be assigned to the map value type 'String'. (dart:io/io_resource_info.dart, line 84, col 20)
-[error] Couldn't infer type parameter 'V'; 'Object' must be of type 'String'. (dart:io/io_resource_info.dart, line 159, col 5)
-[error] The element type 'int' can't be assigned to the map value type 'String'. (dart:io/io_resource_info.dart, line 161, col 13)
-[error] The element type 'double' can't be assigned to the map value type 'String'. (dart:io/io_resource_info.dart, line 164, col 20)
-[error] The argument type 'List' can't be assigned to the parameter type 'Iterable<int>'. (dart:io/secure_socket.dart, line 1129, col 23)
+[error] Annotation must be either a const variable reference or const constructor invocation. (dart:developer, line 39, col 1)
+[error] Base class introduces an invalid override. The type of 'Converter.bind' ('(Stream<List<int>>) → Stream<List<int>>') isn't a subtype of 'ChunkedConverter<List<int>, List<int>, List<int>, List<int>>.bind' ('(dynamic) → dynamic'). (dart:io/data_transformer.dart, line 278, col 19)
+[error] Invalid override. The type of 'ZLibEncoder.startChunkedConversion' ('(Sink<List<int>>) → ByteConversionSink') isn't a subtype of 'ChunkedConverter<List<int>, List<int>, List<int>, List<int>>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:io/data_transformer.dart, line 370, col 3)
+[error] The argument type '(RandomAccessFile) → Future<RandomAccessFile>' can't be assigned to the parameter type '(RandomAccessFile) → FutureOr<File>'. (dart:io/file_impl.dart, line 216, col 30)
+[error] The return type 'Future' isn't a 'FutureOr<File>', as defined by the method ''. (dart:io/file_impl.dart, line 614, col 14)
+[error] Target of URI doesn't exist: 'dart:nativewrappers'. (dart:io, line 211, col 8)
 [error] Undefined name 'lineMode'. (dart:io/stdio.dart, line 64, col 10)
-[error] The name 'echoMode=' is already defined. (dart:io/stdio.dart, line 126, col 12)
-[error] The name 'lineMode=' is already defined. (dart:io/stdio.dart, line 145, col 12)
-[error] Couldn't infer type parameter 'S'; 'dynamic' must be of type 'WebSocket'. (dart:io/websocket_impl.dart, line 469, col 10)
-[error] The argument type '(String) → Future<dynamic>' can't be assigned to the parameter type '(dynamic) → FutureOr<WebSocket>'. (dart:io/websocket_impl.dart, line 469, col 15)
+[error] The name 'echoMode=' is already defined. (dart:io/stdio.dart, line 128, col 12)
+[error] The name 'lineMode=' is already defined. (dart:io/stdio.dart, line 149, col 12)
+[error] Base class introduces an invalid override. The type of 'Converter.bind' ('(Stream<String>) → Stream<List<int>>') isn't a subtype of 'ChunkedConverter<String, List<int>, String, List<int>>.bind' ('(dynamic) → dynamic'). (dart:io/string_transformer.dart, line 45, col 31)
+[error] Invalid override. The type of '_WindowsCodePageEncoder.startChunkedConversion' ('(Sink<List<int>>) → StringConversionSink') isn't a subtype of 'ChunkedConverter<String, List<int>, String, List<int>>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:io/string_transformer.dart, line 61, col 3)
+[error] Base class introduces an invalid override. The type of 'Converter.bind' ('(Stream<List<int>>) → Stream<String>') isn't a subtype of 'ChunkedConverter<List<int>, String, List<int>, String>.bind' ('(dynamic) → dynamic'). (dart:io/string_transformer.dart, line 100, col 31)
+[error] Invalid override. The type of '_WindowsCodePageDecoder.startChunkedConversion' ('(Sink<String>) → ByteConversionSink') isn't a subtype of 'ChunkedConverter<List<int>, String, List<int>, String>.startChunkedConversion' ('(dynamic) → dynamic'). (dart:io/string_transformer.dart, line 112, col 3)
+[error] The getter 'packagesBase' isn't defined for the class 'IsolateNatives'. (dart:isolate, line 721, col 61)
 [error] Invalid override. The type of 'JsArray.[]=' ('(Object, E) → void') isn't a subtype of 'JsObject.[]=' ('(Object, dynamic) → dynamic'). (dart:js, line 363, col 3)
+[error] The return type 'double' isn't a 'T', as defined by the method 'min'. (dart:math, line 90, col 16)
+[error] The return type 'double' isn't a 'T', as defined by the method 'max'. (dart:math, line 125, col 16)
 [warning] Unsafe implicit cast from 'List<dynamic>' to 'List<String>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:_js_helper/regexp_helper.dart, line 140, col 43)
 [warning] Unsafe implicit cast from 'List<dynamic>' to 'List<String>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:_js_helper/regexp_helper.dart, line 152, col 43)
+[warning] Unsafe implicit cast from 'Function' to '(dynamic) → FutureOr<T>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:async/future_impl.dart, line 151, col 11)
+[warning] Unsafe implicit cast from '(T) → dynamic' to '(T) → FutureOr<E>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:async/future_impl.dart, line 249, col 57)
+[warning] Unsafe implicit cast from 'StreamSubscription<dynamic>' to 'StreamSubscription<T>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:async/stream_impl.dart, line 1011, col 42)
 [warning] Unsafe implicit cast from 'Object' to 'K'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:collection, line 411, col 49)
-[warning] Unsafe implicit cast from 'Object' to 'E'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:collection, line 758, col 14)
-[warning] Unsafe implicit cast from 'Object' to 'E'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:collection, line 1135, col 14)
+[warning] Unsafe implicit cast from 'Object' to 'E'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:collection, line 757, col 14)
+[warning] Unsafe implicit cast from 'Object' to 'E'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:collection, line 1134, col 14)
 [warning] The final variable 'origin' must be initialized. (dart:html, line 177, col 3)
 [warning] The final variable 'origin' must be initialized. (dart:html, line 813, col 3)
 [warning] The final variables 'form', 'labels' and '3' more must be initialized. (dart:html, line 1691, col 3)
@@ -73,31 +93,9 @@
 [warning] The final variables 'readyState' and 'track' must be initialized. (dart:html, line 33056, col 3)
 [warning] The final variables 'decodedFrameCount', 'droppedFrameCount' and '2' more must be initialized. (dart:html, line 33754, col 3)
 [warning] Unsafe implicit cast from '(T) → void' to '(Event) → dynamic'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:html, line 40126, col 45)
-[warning] Unsafe implicit cast from 'List<dynamic>' to 'List<int>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/data_transformer.dart, line 492, col 23)
-[warning] Unsafe implicit cast from 'Stream<dynamic>' to 'Stream<FileSystemEntity>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/directory_impl.dart, line 239, col 12)
-[warning] Unsafe implicit cast from 'Future<dynamic>' to 'Future<List<int>>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/file_impl.dart, line 484, col 14)
-[warning] Unsafe implicit cast from 'List<dynamic>' to 'List<int>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/file_impl.dart, line 831, col 33)
-[warning] Unsafe implicit cast from 'StreamSubscription<dynamic>' to 'StreamSubscription<List<int>>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/http_impl.dart, line 269, col 14)
-[warning] Unsafe implicit cast from 'Stream<dynamic>' to 'Stream<List<int>>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/http_impl.dart, line 1056, col 29)
-[warning] Unsafe implicit cast from 'Function' to '(List<int>) → void'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/http_impl.dart, line 1173, col 54)
-[warning] Unsafe implicit cast from 'Function' to '(List<int>) → void'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/http_impl.dart, line 1175, col 33)
-[warning] Unsafe implicit cast from 'Future<dynamic>' to 'Future<_ConnectionInfo>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/http_impl.dart, line 1635, col 14)
-[warning] Unsafe implicit cast from 'StreamSubscription<dynamic>' to 'StreamSubscription<List<int>>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/http_parser.dart, line 201, col 16)
-[warning] Unsafe implicit cast from 'StreamSubscription<dynamic>' to 'StreamSubscription<List<int>>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/http_parser.dart, line 203, col 50)
-[warning] Unsafe implicit cast from 'Map<dynamic, dynamic>' to 'Map<String, String>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/platform_impl.dart, line 100, col 69)
-[warning] Unsafe implicit cast from 'Future<dynamic>' to 'Future<SecureSocket>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/secure_socket.dart, line 92, col 12)
-[warning] Unsafe implicit cast from 'Future<dynamic>' to 'Future<SecureSocket>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/secure_socket.dart, line 138, col 12)
-[warning] Unsafe implicit cast from 'StreamSubscription<dynamic>' to 'StreamSubscription<RawSocketEvent>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/secure_socket.dart, line 446, col 33)
-[warning] Unsafe implicit cast from 'Future<dynamic>' to 'Future<RawSecureSocket>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/secure_socket.dart, line 580, col 12)
-[warning] Unsafe implicit cast from 'List<dynamic>' to 'List<int>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/secure_socket.dart, line 1176, col 32)
-[warning] Unsafe implicit cast from 'List<dynamic>' to 'List<int>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/stdio.dart, line 109, col 28)
-[warning] Unsafe implicit cast from 'Future<dynamic>' to 'Future<WebSocket>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/websocket_impl.dart, line 471, col 14)
-[warning] Unsafe implicit cast from 'List<dynamic>' to 'List<int>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/websocket_impl.dart, line 577, col 21)
-[warning] Unsafe implicit cast from 'List<dynamic>' to 'List<int>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/websocket_impl.dart, line 590, col 35)
-[warning] Unsafe implicit cast from 'List<dynamic>' to 'List<int>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:io/websocket_impl.dart, line 626, col 12)
-[warning] Unsafe implicit cast from 'num' to 'T'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:math/rectangle.dart, line 158, col 22)
-[warning] Unsafe implicit cast from 'num' to 'T'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:math/rectangle.dart, line 159, col 23)
-[warning] Unsafe implicit cast from 'num' to 'T'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:math/rectangle.dart, line 282, col 10)
+[warning] Unsafe implicit cast from 'num' to 'T'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:math/rectangle.dart, line 151, col 22)
+[warning] Unsafe implicit cast from 'num' to 'T'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:math/rectangle.dart, line 152, col 23)
+[warning] Unsafe implicit cast from 'num' to 'T'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:math/rectangle.dart, line 275, col 10)
 [warning] The final variables 'href' and 'target' must be initialized. (dart:svg, line 60, col 3)
 [warning] The final variables 'requiredExtensions', 'requiredFeatures' and '2' more must be initialized. (dart:svg, line 489, col 3)
 [warning] The final variables 'cx', 'cy' and '1' more must be initialized. (dart:svg, line 562, col 3)