ReadonlybrowserCoarse engine the detector classified the browser as.
ReadonlyconfidenceDetector's qualitative confidence in isPrivate.
ReadonlyisWhether the browser appears to be in private / incognito mode.
ReadonlyquotaStorage quota in bytes reported by navigator.storage.estimate() when the
quota strategy ran. null for the OPFS and legacy strategies.
ReadonlystrategyIdentifier of the strategy that produced the verdict.
Rich result returned by detectIncognito.