app-router-headers.ts

export const RSC = 'RSC' as const
export const NEXT_ROUTER_STATE_TREE = 'Next-Router-State-Tree' as const
export const NEXT_ROUTER_PREFETCH = 'Next-Router-Prefetch' as const
export const RSC_VARY_HEADER =
  `${RSC}, ${NEXT_ROUTER_STATE_TREE}, ${NEXT_ROUTER_PREFETCH}` as const