ReadonlycontractReadonlyfileRoot-relative path of the file declaring the contract, when the source finding carries one.
ReadonlymodelReadonlypositionReadonlyvariableThe environment variable name, when the finding is variable-level rather than contract-level.
Points at a contract by name for an ownership/usage finding --
usage-report.ts's finding types don't consistently carryfile/exportNametogether, onlycontractName.