/**
 * Encrypts data using recipient's public key and sender's private key.
 * @param {Uint8Array} publicKey - Recipient public key in raw (un-hexed) form.
 * @param {Uint8Array} privateKey - Sender's private key in raw (un-hexed) form.
 * @param {Uint8Array} data - serialized data to encrypt
 */
export declare function encryptData(publicKey: Uint8Array, privateKey: Uint8Array, data: Uint8Array): Uint8Array;
/**
 * Decrypts data using sender's public key and recipient's private key.
 * @param {Uint8Array} privateKey - Recipient's private key in raw (un-hexed) form.
 * @param {Uint8Array} publicKey -Sender's public key in raw (un-hexed) form.
 * @param {Uint8Array} ciphertext - encrypted data
 */
/**
 * Decrypts data using sender's public key and recipient's private key.
 * @param {Uint8Array} privateKey - Recipient's private key in raw (un-hexed) form.
 * @param {Uint8Array} publicKey -Sender's public key in raw (un-hexed) form.
 * @param {Uint8Array} ciphertext - encrypted data
 */
export declare function decryptData(privateKey: Uint8Array, publicKey: Uint8Array, ciphertext: Uint8Array): Uint8Array;