init(readonlyAttributeWithID:initialValue:requiredPrivilege:)
Declaration
init?(readonlyAttributeWithID attributeID: NSNumber, initialValue value: [String : Any], requiredPrivilege: MTRAccessControlEntryPrivilege)init?(readonlyAttributeWithID attributeID: NSNumber, initialValue value: [String : Any], requiredPrivilege: MTRAccessControlEntryPrivilege)