Imports github.com/elastic/beats/libbeat/plugin github.com/joeshaw/multierror github.com/elastic/beats/libbeat/common github.com/elastic/beats/libbeat/common/op github.com/elastic/beats/libbeat/logp github.com/elastic/beats/libbeat/outputs/transport Standard library imports bytes crypto/tls crypto/x509 encoding/pem errors fmt io/ioutil