40 columns                              |
>>> Ensure blank line above doc comments on members.
class Foo {
var a = 1; /// Doc A.
var b = 2;
/// Doc c.
void c() => body; /// Doc d.
void d() {;}
}
<<<
class Foo {
  var a = 1;

  /// Doc A.
  var b = 2;

  /// Doc c.
  void c() => body;

  /// Doc d.
  void d() {
    ;
  }
}