code: func NewMultiResolver(opts ...MultiResolverOption) (m *MultiResolver) {
  	m = &MultiResolver{
  		resolvers: make(map[string][]ResolveValidator),
  		nameHash:  ens.EnsNode,
  	}
  	for _, o := range opts {
  		o(m)
  	}
  	return m
  }
docs: // NewMultiResolver creates a new instance of MultiResolver.