pub fn generate_empty_sector_update_proof<R, S, T, U>(
registered_proof: RegisteredUpdateProof,
comm_r_old: Commitment,
comm_r_new: Commitment,
comm_d_new: Commitment,
sector_key_path: R,
sector_key_cache_path: S,
replica_path: T,
replica_cache_path: U
) -> Result<EmptySectorUpdateProof> where
R: AsRef<Path>,
S: AsRef<Path>,
T: AsRef<Path>,
U: AsRef<Path>, 