azure_event_hubs,beats,cloudwatch,couchdb_changes,dead_letter_queue,elasticsearch,exec,file,ganglia,gelf,generator,github,google_cloud_storage,google_pubsub,graphite,heartbeat,http,http_poller,imap,irc,java_generator,java_stdin,jdbc,jms,jmx,kafka,kinesis,log4j,lumberjack,meetup,pipe,puppet_facter,rabbitmq,redis,relp,rss,s3,s3-sns-sqs,salesforce,snmp,snmptrap,sqlite,sqs,stdin,stomp,syslog,tcp,twitter,udp,unix,varnishlog,websocket,wmi,xmpp