gitignore -> hgignore

ios/Flutter/Flutter.framework/Headers/FlutterCodecs.h

@@ -91,7 +91,6 @@ FLUTTER_EXPORT
 
  - `nil` or `NSNull`
  - `NSNumber` (including their representation of Boolean values)
- - `FlutterStandardBigInteger`
  - `NSString`
  - `FlutterStandardTypedData`
  - `NSArray` of supported values
@@ -101,11 +100,17 @@ FLUTTER_EXPORT
 
  - `nil` or `NSNull`: null
  - `NSNumber`: `bool`, `int`, or `double`, depending on the contained value.
- - `FlutterStandardBigInteger`: `int`
  - `NSString`: `String`
  - `FlutterStandardTypedData`: `Uint8List`, `Int32List`, `Int64List`, or `Float64List`
  - `NSArray`: `List`
  - `NSDictionary`: `Map`
+
+ Support for `FlutterStandardBigInteger` has been deprecated on 2018-01-09 to be
+ made unavailable four weeks after this change is available on the Flutter alpha
+ branch. `FlutterStandardBigInteger` were needed because the Dart 1.0 `int` type
+ had no size limit. With Dart 2.0, the `int` type is a fixed-size, 64-bit signed
+ integer. If you need to communicate larger integers, use `NSString` encoding
+ instead.
  */
 FLUTTER_EXPORT
 @interface FlutterStandardMessageCodec : NSObject<FlutterMessageCodec>
@@ -253,6 +258,13 @@ FLUTTER_EXPORT
  and `FlutterStandardMethodCodec`.
  */
 FLUTTER_EXPORT
+FLUTTER_DEPRECATED(
+    "Deprecated on 2018-01-09 to be made unavailable four weeks after the "
+    "deprecation is available on the flutter/flutter alpha branch. "
+    "FlutterStandardBigInteger was needed because the Dart 1.0 int type had no "
+    "size limit. With Dart 2.0, the int type is a fixed-size, 64-bit signed "
+    "integer. If you need to communicate larger integers, use NSString encoding "
+    "instead.")
 @interface FlutterStandardBigInteger : NSObject
 /**
  Creates a `FlutterStandardBigInteger` from a hexadecimal representation.