BEAvailability A class that tests whether a device is eligible to run an alternative browser engine. Declarationclass BEAvailability TopicsTesting eligibilityisEligible(for:completionHandler:)Identifying contextsBEAvailability.Context RelationshipsInherits FromNSObjectConforms ToCVarArgCustomDebugStringConvertibleCustomStringConvertibleEquatableHashableNSObjectProtocol See AlsoEssentialsTransferring browsing data to another browser