int foo() {}
int bar() => 0;
int baz(int x) {}
int boz(int x) => x;

class Class {
  final int x;
  const Class(int x) : this.x = x;
  int foo() {}
  int bar() => 0;
  int baz(int x) {}
  int boz(int x) => x;
}

main() {}