org.jivesoftware.smackx.hoxt.HOXTManager org.jivesoftware.smackx.iot.data.IoTDataManager org.jivesoftware.smackx.iot.discovery.IoTDiscoveryManager org.jivesoftware.smackx.iot.provisioning.IoTProvisioningManager org.jivesoftware.smackx.httpfileupload.HttpFileUploadManager org.jivesoftware.smackx.eme.ExplicitMessageEncryptionManager org.jivesoftware.smackx.sid.StableUniqueStanzaIdManager org.jivesoftware.smackx.xmlelement.DataFormsXmlElementManager org.jivesoftware.smackx.message_fastening.MessageFasteningManager