Module Attempt_history.Attempt
type reason = [ | | `Download | 
| | `Initial_validate | 
| | `Verify | 
| | `Build_breadcrumb | 
 ]val reason_to_yojson : reason -> Yojson.Safe.tval reason_of_yojson : 
  Yojson.Safe.t ->
  reason Ppx_deriving_yojson_runtime.error_orval to_yojson : t -> Yojson.Safe.tval of_yojson : Yojson.Safe.t -> t Ppx_deriving_yojson_runtime.error_orval _ : Yojson.Safe.t -> t Ppx_deriving_yojson_runtime.error_or