Imports
- github.com/elastic/beats/libbeat/common
- github.com/elastic/beats/libbeat/common/transport/tlscommon
- github.com/elastic/beats/libbeat/logp
- github.com/elastic/beats/libbeat/mapping
- github.com/elastic/beats/libbeat/outputs/transport
- github.com/elastic/go-ucfg/yaml
- github.com/pkg/errors