library test /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;

static method f(core::List<core::int> o) → dynamic {
  o.{core::Iterable::forEach}((core::int i) → void => i.{core::num::+}(1){(core::num) → core::int}){((core::int) → void) → void};
}
static method main() → dynamic {}