tracing

type Provider struct {
	// contains filtered or unexported fields
}

type Tracer interface {
	// Start creates a span starting now
	Start(spanName string)
	// StartAt creates a span starting from a given time
	StartAt(spanName string, when time.Time)
	// AddEvent adds an event to an existing span with the provided name.
	AddEvent(spanName string, eventName string)
	// AddEventAt adds an event to an existing span with the provided name and timestamp
	AddEventAt(spanName string, eventName string, when time.Time)
	// AddError adds an error to an existing span
	AddError(spanName string, err error)
	// End completes an existing span.
	End(spanName string, attrs ...string)
	// EndAt completes an existing span with a given timestamp.
	EndAt(spanName string, when time.Time, attrs ...string)
}