metrics

type Client interface {
	// StartSpanWithContext will generate an opentracing span within the given context
	StartSpanWithContext(ctx context.Context, name string) (opentracing.Span, context.Context)

	// BackgroundRate records a count metric for background session and task
	BackgroundRate(backgroundSessionID, taskName string, params map[string]string, value int64)

	// BackgroundDuration records a duration metric for how long a background session took to accomplish a task
	BackgroundDuration(backgroundSessionID, taskName string, params map[string]string, value time.Duration)

	// BackgroundError records an error & count metric for a background session and task
	BackgroundError(backgroundSessionID, taskName string, params map[string]string, code, message string, value int64)
}