sentry/static/app/views/performance/transactionSummary/transactionSpans/spanSummary/referrers.tsx

export enum SpanSummaryReferrer {
  SPAN_SUMMARY_HEADER_DATA = 'api.performance.span-summary-header-data',
  SPAN_SUMMARY_TABLE = 'api.performance.span-summary-table',
  SPAN_SUMMARY_DURATION_CHART = 'api.performance.span-summary-duration-chart',
  SPAN_SUMMARY_THROUGHPUT_CHART = 'api.performance.span-summary-throughput-chart',
  SPAN_SUMMARY_TRANSACTION_THROUGHPUT_CHART = 'api.performance.span-summary-transaction-throughput-chart',
}