protected ChangeNotifierBase(IConfiguration config)
{
var protocol = Settings.AMQP_PROTOCOL(config);
var policyName = Settings.AMQP_POLICY_NAME(config);
var policyKey = Settings.AMQP_POLICY_KEY(config);
var namespaceUrl = Settings.AMQP_NAMESPACE_URL(config);
var connStr = $"{protocol}://{policyName}:{policyKey}@{namespaceUrl}/";
_address = new Address(connStr);
_ttlMins = Settings.AMQP_TTL_MINS(config);
_topicPrefix = Settings.AMQP_TOPIC_PREFIX(config);
}