Heuristic and user-cut are, but I don’t think lazy constraints are supported; Design restricted version of ConstraintHandler for LazyConstraint · Issue #271 · scipopt/SCIP.jl · GitHub (admittedly vague issue)
Heuristic and user-cut are, but I don’t think lazy constraints are supported; Design restricted version of ConstraintHandler for LazyConstraint · Issue #271 · scipopt/SCIP.jl · GitHub (admittedly vague issue)