honeycomb

type Annotation struct {
	Timestamp time.Time `json:"timestamp"`
	Value     string    `json:"value"`
}

type Exporter struct {
	Builder        *libhoney.Builder
	SampleFraction float64
	// Service Name identifies your application. While optional, setting this
	// field is extremely valuable when you instrument multiple services. If set
	// it will be added to all events as `service_name`
	ServiceName string
}

type Span struct {
	TraceID     string       `json:"trace.trace_id"`
	Name        string       `json:"name"`
	ID          string       `json:"trace.span_id"`
	ParentID    string       `json:"trace.parent_id,omitempty"`
	DurationMs  float64      `json:"duration_ms"`
	Timestamp   time.Time    `json:"timestamp,omitempty"`
	Annotations []Annotation `json:"annotations,omitempty"`
}