/**
 * @beta
 *
 * CryptoKeyPairOptions is an object containing optional arguments supplied as options in SetKeyOptions.
 *
 * See [SubtleCrypto.generateKey()](https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/generateKey)
 */
export declare type CryptoKeyPairOptions = {
    algorithm: RsaHashedKeyGenParams | EcKeyGenParams | HmacKeyGenParams | AesKeyGenParams;
    extractable: false;
    keyUsages: KeyUsage[];
};

/**
 * @beta
 */
export declare interface CryptoKeyPairStore {
    set(key: string, value: CryptoKeyPair | CryptoKey): Promise<void>;
    get(key: string): Promise<CryptoKeyPair | CryptoKey>;
    remove(key: string): Promise<void>;
    getAllKeys(): Promise<string[]>;
}

/**
 * @beta
 *
 * SecureStore is a class that provides a secure way to store and retrieve CryptoKeyPairs.
 *
 * By default it uses IndexedDb to store CryptoKeyPairs with non extractable private keys.
 */
export declare class SecureStore {
    private cryptoKeyPairStore;
    /**
     * Creates a new instance of SecureStore using indexedDb as the storage mechanism.
     *
     * @param args - An object containing optional arguments.
     */
    constructor({ cryptoKeyPairStore, dbName, storeName, }?: SecureStoreOptions);
    /**
     * Generates a new CryptoKeyPair and stores it in the SecureStore.
     *
     * @param args - A SeyKeyOptions object containing the key name and optional arguments.
     * @returns - A CryptoKeyPair or CryptoKey.
     */
    setKey({ key, options, ttl, }: SetKeyOptions): Promise<CryptoKeyPair | CryptoKey>;
    /**
     * Retrieves a CryptoKeyPair from the SecureStore.
     * @param key - the name of the key to retrieve.
     */
    getKey(key: string): Promise<CryptoKeyPair>;
    /**
     * Removes a CryptoKeyPair from the SecureStore.
     * @param key - the name of the key to remove.
     */
    removeKey(key: string): Promise<void>;
    /**
     * Retrieves all the names of all keys stored in the SecureStore.
     * @returns An array of key names.
     */
    getAllKeys(): Promise<string[]>;
    setTtl(key: string, ttl: number): Promise<void>;
}

/**
 * @beta
 *
 * SecureStoreOptions is an object containing optional arguments for the SecureStore constructor.
 *
 */
export declare type SecureStoreOptions = {
    cryptoKeyPairStore?: CryptoKeyPairStore;
    dbName?: string;
    storeName?: string;
};

/**
 * @beta
 *
 * SetKeyOptions is an object containing arguments for the setKey method.
 *
 * key - The name of the key to store.
 * options - An object containing optional arguments for the CryptoKeyPair. See https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/generateKey.
 * ttl - The time to live for the key in seconds.
 *
 */
export declare type SetKeyOptions = {
    key: string;
    options?: CryptoKeyPairOptions;
    ttl?: number;
};

export { }