ReadonlydataDetached snapshot of fields available for this callback channel.
ReadonlymessageNative log/progress text. Do not assume it is non-empty or machine-parseable.
ReadonlytypeCallback channel that triggered the event.
Asks HiGHS to repair the current type-9 candidate, normally after
setSolution(). The repaired vector is retained natively, not returned.
Copies a dense or sparse candidate into the active callback and returns its native acceptance status.
MIP checkpoint at which an application may submit a heuristic candidate. Dense candidates contain one value per current column; sparse candidates may specify only selected columns. HiGHS validates feasibility and may reject the candidate. This channel may not fire during every MIP solve.