Split_branch.Labeltype t = | Lf_constant of {location : Syncom.Location.t;identifier : Syncom.Qualified_identifier.t;}| Comp_constant of {location : Syncom.Location.t;identifier : Syncom.Qualified_identifier.t;}| Bound_variable of {location : Syncom.Location.t;}| Empty_context of {location : Syncom.Location.t;}| Extended_context of {location : Syncom.Location.t;schema_element : Support.Int.t;1-based
*)}| Parameter_variable of {location : Syncom.Location.t;schema_element : Support.Int.t;1-based
*)projection : Support.Int.t Support.Option.t;1-based
*)}