sentry/static/app/views/starfish/utils/constants.tsx

// This constant is to be used as an arg for `getInterval`.
// 'metrics' fidelity is intended to match the granularities of stored metrics.
// This gives us the best/highest fidelity of data for minimum amount of work (don't need to merge buckets).
export const STARFISH_CHART_INTERVAL_FIDELITY = 'metrics';