//
//  KeychainProtocol.swift
//  
//
//  Created by Nut.Tech on 16.02.2023.
//

import Foundation

public typealias Key = CommonKey

public protocol KeychainProtocol { 
    
    /// Checks if a given common key have a password-saved value
    /// - Parameter key: Common Key
    /// - Returns: is value exists
    func exist(_ key: Key) -> Bool 
    /// Checks if a given common key have a biometric-saved value
    /// - Parameter key: Common Key
    /// - Returns: is value exists
    func bioExist(_ key: Key) -> Bool 
    /// Access to common key value by biometric authenfication
    subscript(biometric key: Key) -> String? { get }
    /// Access to common key value by password authenfication
    subscript(_ key: Key, password password: String) -> String? { get set }
}