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type inconsistency_reason = [
| `Conflict of (Cudf_types.pkgname * Cudf_types.version) * Cudf_types.vpkglist
| `Unsat_dep of
(Cudf_types.pkgname * Cudf_types.version) * Cudf_types.vpkgformula
]
type bad_solution_reason = [
| `Conflict of (Cudf_types.pkgname * Cudf_types.version) * Cudf_types.vpkglist
| `Downgrade of Cudf_types.vpkglist
| `Missing_install of Cudf_types.vpkglist
| `Missing_upgrade of Cudf_types.vpkglist
| `Multi_upgrade of Cudf_types.pkgname list
| `Not_kept of Cudf_types.pkgname * Cudf_types.version * Cudf_types.enum_keep
| `Unremoved of Cudf_types.vpkglist
| `Unsat_dep of
(Cudf_types.pkgname * Cudf_types.version) * Cudf_types.vpkgformula
]
val explain_reason : bad_solution_reason -> string
val satisfy_formula :
Cudf.universe ->
Cudf_types.vpkgformula ->
bool * Cudf_types.vpkgformula
val disjoint :
Cudf.universe ->
?ignore:(Cudf.package -> bool) ->
Cudf_types.vpkglist ->
bool * Cudf_types.vpkglist
val is_consistent : Cudf.universe -> bool * inconsistency_reason option
val is_solution :
(Cudf.universe * Cudf.request) ->
Cudf.universe ->
bool * bad_solution_reason list