40 columns                              |
>>> prefers to wrap at => before params
class Foo {
  Stream methodName(AssetId id) => methodBodyHereItIs;
}
<<<
class Foo {
  Stream methodName(AssetId id) =>
      methodBodyHereItIs;
}
>>> can split on getter
class Foo {
  VeryLongTypeAnnotation get veryLongGetter => null;
}
<<<
class Foo {
  VeryLongTypeAnnotation
      get veryLongGetter => null;
}
>>> can split on setter
class Foo {
  VeryLongTypeAnnotation set veryLongSetter(v) {}
}
<<<
class Foo {
  VeryLongTypeAnnotation
      set veryLongSetter(v) {}
}