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

static method foo() → dynamic {
  Null _null;
  {
    core::Iterator<invalid-type>* :sync-for-iterator = _null.{core::Iterable::iterator}{core::Iterator<invalid-type>*};
    for (; :sync-for-iterator.{core::Iterator::moveNext}(){() → core::bool}; ) {
      dynamic i = :sync-for-iterator.{core::Iterator::current}{invalid-type};
      {}
    }
  }
  ;
}
static method main() → dynamic {}