The bytes of a model file, from the cache if present, else downloaded (and then cached).
A ModelFile is verified (size and SHA-256) before it is cached and before it is returned; a
corrupt cache entry is dropped and downloaded again. A bare URL is only checked against the
server's Content-Length (truncation).
The bytes of a model file, from the cache if present, else downloaded (and then cached). A
ModelFileis verified (size and SHA-256) before it is cached and before it is returned; a corrupt cache entry is dropped and downloaded again. A bare URL is only checked against the server's Content-Length (truncation).