streaming_max_pub_acks_in_flight  (number)    number of messages to publish without waiting for ACKs
streaming_cluster_id              (string)    unique ID for NATS streaming cluster
cert_authority                    (string)    path to certificate chain of the target NATS server
client_cert                       (string)    client cert for NATS mTLS auth

			UserCredentials:   env.Get(userCredentialsEnv, kv.Get(target.NATSUserCredentials)),
			Password:          env.Get(passwordEnv, kv.Get(target.NATSPassword)),
			CertAuthority:     env.Get(certAuthorityEnv, kv.Get(target.NATSCertAuthority)),
			ClientCert:        env.Get(clientCertEnv, kv.Get(target.NATSClientCert)),
			ClientKey:         env.Get(clientKeyEnv, kv.Get(target.NATSClientKey)),