ReadonlyapplicationReadonlycontextThe request context as declared by the request builder.
ReadonlydeviceReadonlyendpointReadonlyfeaturesResolved features: edge-derived defaults merged with the declared ones.
ReadonlyidentityResolved identity (analytics requests resolve to anonymous).
ReadonlynowRender time in epoch milliseconds.
ReadonlypigeonPigeon session id of the header layer (stable for the app-start window).
ReadonlyrequestReadonlysessionReadonlystackReadonlyuser
Read-only view a header value provider renders from: the classified request (the resolver's three inputs plus the stack), the raw request, and the device/session/application state at render time.