Stm.AsyncOptstype stm_opt = {| async_proofs_n_workers : int; | 
| async_proofs_n_tacworkers : int; | 
| async_proofs_cache : cache option; | 
| async_proofs_mode : async_proofs; | 
| async_proofs_private_flags : string option; | 
| async_proofs_never_reopen_branch : bool; | 
| async_proofs_tac_error_resilience : tac_error_filter; | 
| async_proofs_cmd_error_resilience : bool; | 
| async_proofs_delegation_threshold : float; | 
| async_proofs_worker_priority : CoqworkmgrApi.priority; | 
}val default_opts : stm_opt