Create Lazy instance of object which requires setup after creating

Lazy Instance

    class Client
    {
        public static TClient CreateInst<TClient, TInterface>(string url, string domain, string username, string password)
            where TClient : System.ServiceModel.ClientBase<TInterface>
            where TInterface : class
        {
            BasicHttpBinding binding = new BasicHttpBinding();
            binding.Security.Mode = BasicHttpSecurityMode.TransportWithMessageCredential;
            binding.Security.Transport.ClientCredentialType = HttpClientCredentialType.Windows;

            EndpointAddress endpoint = new EndpointAddress(url);
            TClient client = (TClient)Activator.CreateInstance(typeof(TClient), new object[] { binding, endpoint });
            client.ClientCredentials.Windows.ClientCredential.Domain = domain;
            client.ClientCredentials.Windows.ClientCredential.UserName = username;
            client.ClientCredentials.Windows.ClientCredential.Password = password;

            client.ClientCredentials.UserName.UserName = username;
            client.ClientCredentials.UserName.Password = password;

            return client;
        }

        public static Lazy<TClient> CreateLazyInst<TClient, TInterface>(string url, string domain, string username, string password)
            where TClient : System.ServiceModel.ClientBase<TInterface>
            where TInterface : class
        {
            return new Lazy<TClient>(() =>
            {
                return CreateClient<TClient, TInterface>(url, domain, username, password);
            });
        }

    }