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

static method test(dynamic x) → dynamic {
  #L1:
  {
    final synthesized dynamic #0#0 = x;
    {
      if(let final dynamic #t1 = #0#0 as core::Object in #0#0 as core::Object == null) {
        {
          break #L1;
        }
      }
    }
  }
}