export class Instrumentation { start(label: string) { performance.mark(`${label} (start)`) } end(label: string, detail?: any) { performance.mark(`${label} (end)`) performance.measure(label, { start: `${label} (start)`, end: `${label} (end)`, detail, }) } hit(label: string, detail?: any) { performance.mark(label, { detail, }) } error(error: any) { performance.mark(`(error)`, { detail: { error: `${error}` }, }) throw error } }