Abstractval cache_term_by_tactic_then : 
  opaque:bool ->
  name_op:Names.Id.t option ->
  ?goal_type:EConstr.constr option ->
  unit Proofview.tactic ->
  ( EConstr.constr -> EConstr.constr list -> unit Proofview.tactic ) ->
  unit Proofview.tacticval tclABSTRACT : 
  ?opaque:bool ->
  Names.Id.t option ->
  unit Proofview.tactic ->
  unit Proofview.tacticval declare_abstract : 
  ( name:Names.Id.t ->
    poly:bool ->
    kind:Decls.logical_kind ->
    sign:EConstr.named_context ->
    secsign:Environ.named_context_val ->
    opaque:bool ->
    solve_tac:unit Proofview.tactic ->
    Evd.evar_map ->
    EConstr.t ->
    Evd.side_effects * Evd.evar_map * EConstr.t * EConstr.t list * bool )
    Stdlib.ref