Function filecoin_proofs::seal_pre_commit_phase1

pub fn seal_pre_commit_phase1<R, S, T, Tree: 'static + MerkleTreeTrait>(
    porep_config: PoRepConfig, 
    cache_path: R, 
    in_path: S, 
    out_path: T, 
    prover_id: ProverId, 
    sector_id: SectorId, 
    ticket: Ticket, 
    piece_infos: &[PieceInfo]
) -> Result<SealPreCommitPhase1Output<Tree>> where
    R: AsRef<Path>,
    S: AsRef<Path>,
    T: AsRef<Path>,