40 columns                              |
>>> multiple labels
a: b:c:d:


e:

foo();
<<<
a:
b:
c:
d:
e:
foo();
>>> label in block
{a:foo();}
<<<
{
  a:
  foo();
}
>>> late local variables
{
  late    final int i;
  late   int i;
  late   var i;
}
<<<
{
  late final int i;
  late int i;
  late var i;
}