Sourcetype t = Ppxlib.class_type Sourceval arrow :
loc:Ppxlib_ast__Ast_helper_lite.loc ->
Astlib.Ast_500.Parsetree.core_type ->
Astlib.Ast_500.Parsetree.class_type ->
Astlib.Ast_500.Parsetree.class_type Sourceval constr :
loc:Ppxlib__.Location.t ->
Ppxlib__.Import.longident ->
Ppxlib__.Import.core_type list ->
Ppxlib__.Import.class_type