Imports
- github.com/elastic/beats/v7/heartbeat/config
- github.com/elastic/beats/v7/heartbeat/scheduler/timerqueue
- github.com/elastic/beats/v7/libbeat/common/atomic
- github.com/elastic/elastic-agent-libs/logp
- github.com/elastic/elastic-agent-libs/monitoring
- golang.org/x/sync/semaphore