code: private Set<QualifierInstance> getRequiredQualifiers(EnhancedAnnotatedParameter<?, ? super X> enhancedDisposedParameter) {
          Set<Annotation> disposedParameterQualifiers = enhancedDisposedParameter.getMetaAnnotations(Qualifier.class);
          if (disposedParameterQualifiers.isEmpty()) {
              disposedParameterQualifiers = Collections.<Annotation> singleton(Default.Literal.INSTANCE);
          }
          return beanManager.getServices().get(MetaAnnotationStore.class).getQualifierInstances(disposedParameterQualifiers);
      }
docs: A disposer method is bound to a producer if the producer is assignable to the disposed parameter.
  
  @param enhancedDisposedParameter
  @return the set of required qualifiers for the given disposed parameter