library;
import self as self;
import "dart:core" as core;

class Increment extends core::Object {
  field core::int x = null;
  constructor •() → void
    : final dynamic #t1 = invalid-expression "pkg/front_end/testcases/regress/issue_31192.dart:7:18: Error: Not a valid initializer.\nTo initialize a field, use the syntax 'name = value'.\n  Increment() : x++ {}\n                 ^" {}
}
static method main() → dynamic {}