org.jivesoftware.smackx.disco.ServiceDiscoveryManager org.jivesoftware.smackx.xhtmlim.XHTMLManager org.jivesoftware.smackx.muc.MultiUserChat org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamManager org.jivesoftware.smackx.bytestreams.socks5.Socks5BytestreamManager org.jivesoftware.smackx.filetransfer.FileTransferManager org.jivesoftware.smackx.iqlast.LastActivityManager org.jivesoftware.smackx.commands.AdHocCommandManager org.jivesoftware.smackx.ping.PingManager