42       let searchDictionary = query(with: key, options: options)  in definition()
48     var query = query(with: key, options: options)  in set()  variable
51     query[kSecValueData as String] = valueData  in set()
56       query[kSecAttrAccessible as String] = accessibility  in set()
62       query[kSecAttrAccessControl as String] = accessOptions  in set()
65     let status = SecItemAdd(query as CFDictionary, nil)  in set()
78     var query = query(with: key, options: options)  in update()  variable
84       query[kSecUseOperationPrompt as String] = authPrompt  in update()
87     let status = SecItemUpdate(query as CFDictionary, updateDictionary as CFDictionary)  in update()
97     var query = query(with: key, options: options)  in searchKeyChain()  variable
99     query[kSecMatchLimit as String] = kSecMatchLimitOne  in searchKeyChain()
100     query[kSecReturnData as String] = kCFBooleanTrue  in searchKeyChain()
103       query[kSecUseOperationPrompt as String] = authPrompt  in searchKeyChain()
107     let status = SecItemCopyMatching(query as CFDictionary, &item)  in searchKeyChain()
122   private func query(with key: String, options: SecureStoreOptions) -> [String: Any] {  in query()  function