Imports
- github.com/elastic/beats/libbeat/common
- github.com/elastic/beats/libbeat/common/cfgwarn
- github.com/elastic/beats/libbeat/common/schema
- github.com/elastic/beats/libbeat/common/schema/mapstriface
- github.com/elastic/beats/libbeat/logp
- github.com/elastic/beats/metricbeat/mb
- github.com/elastic/beats/metricbeat/module/mongodb
- gopkg.in/mgo.v2/bson