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

static method test(dynamic x) → dynamic {
  #L1:
  {
    final synthesized dynamic #0#0 = x;
    {
      hoisted core::int y;
      if(!(#0#0 == null) && (#0#0 is core::int && (let final core::int #t1 = y = #0#0{core::int} in true))) {
        {
          break #L1;
        }
      }
    }
  }
}