export interface KeyStorageFacade {
    /**
     * Returns the publicKey of the provided key from the storage
     * @param key Key of the value to retrieve
     * @return The publicKey associated to the provided key or undefined if not found.
     */
    getPublicKey(key: string): Promise<JsonWebKey | undefined>;
    /**
     * Returns the privateKey of the provided key from the storage
     * @param key Key of the value to retrieve
     * @return The privateKey associated to the provided key or undefined if not found.
     */
    getPrivateKey(key: string): Promise<JsonWebKey | undefined>;
    /**
     * Get the keyPair associated to the provided key
     * @param key Key of the value to retrieve
     * @return The keyPair associated to the provided key or undefined if not found.
     */
    getKeypair(key: string): Promise<{
        publicKey: JsonWebKey;
        privateKey: JsonWebKey;
    } | undefined>;
    /**
     * Delete the keyPair associated to the provided key
     * @param key Key of the value to delete
     */
    deleteKeypair(key: string): Promise<void>;
    /**
     * Stores the given keyPair under the given key in the storage.
     * @param key The id of the entry in storage
     * @param keyPair should be JWK
     */
    storeKeyPair(key: string, keyPair: {
        publicKey: JsonWebKey;
        privateKey: JsonWebKey;
    }): Promise<void>;
    /**
     * Stores the given public key under the given key in the storage.
     * @param key The id of the entry in storage
     * @param publicKey the public key to store
     */
    storePublicKey(key: string, publicKey: JsonWebKey): Promise<void>;
    /**
     * Stores the given public key under the given key in the storage.
     * @param key The id of the entry in storage
     * @param publicKey the public key to store
     */
    storePrivateKey(key: string, privateKey: JsonWebKey): Promise<void>;
}