const namespace … const subsystem … var Metrics … type CelMetrics … func newCelMetrics() *CelMetrics { … } // ObserveCompilation records a CEL compilation with the time the compilation took. func (m *CelMetrics) ObserveCompilation(elapsed time.Duration) { … } // ObserveEvaluation records a CEL evaluation with the time the evaluation took. func (m *CelMetrics) ObserveEvaluation(elapsed time.Duration) { … }