Property under which FastifyDeviceDetector stores detected device.
Notice that if you pass a fastify request object to FastifyRequestAdapter
which already has this property with according device, FastifyDeviceDetector won't compute this property again.
Property under which location of the request is stored.
Important! Clients of the FastifyRequestAdapter have to set this property accordingly
on fastify request object before passing it to adapter, as he won't compute it.
Fastify request instance managed by FastifyRequestAdapter.