ReadonlydaysDays from now until expiry; negative when already expired.
ReadonlyexpiresThe raw ISO date string, unparsed.
ReadonlyexportThe contract's exported binding name.
ReadonlyfileAbsolute path of the file declaring the contract.
Readonlykeyundefined for a contract-level expiresAt, set for a per-variable one.
One contract- or variable-level
expiresAtfalling within the configured "expiring soon" window.