#vulnerable code 
                              public ConstantBindingBuilderImpl bindConstant(
      Class<? extends Annotation> annotationType) {
    ensureNotCreated();
    return bind(source(), Key.strategyFor(annotationType));
  } 
                            #location 3 
                            #vulnerability type THREAD_SAFETY_VIOLATION
#fixed code
                              public ConstantBindingBuilderImpl bindConstant(
      Class<? extends Annotation> annotationType) {
    return bind(source(), Key.strategyFor(annotationType));
  }