heartbeats

Imports

• github.com/cloudevents/sdk-go/observability/opencensus/v2/client
• github.com/cloudevents/sdk-go/v2
• github.com/cloudevents/sdk-go/v2/protocol/http
• github.com/kelseyhightower/envconfig
• go.uber.org/zap
• knative.dev/pkg/apis/duck/v1
• knative.dev/pkg/tracing
• knative.dev/pkg/tracing/config

Standard library imports

• context
• encoding/json
• flag
• fmt
• log
• os
• strconv
• time