private static void ValidateInputs(string connectionString, string topicName, string subscriptionName,
IRetryPolicy retryPolicy)
{
connectionString.GuardArgumentIsNotNullOrEmpty(nameof(connectionString));
topicName.GuardArgumentIsNotNullOrEmpty(nameof(topicName));
subscriptionName.GuardArgumentIsNotNullOrEmpty(nameof(subscriptionName));
retryPolicy.GuardArgumentIsNotNull(nameof(retryPolicy));
}