/**
 * @file
 * Themis Secure Message.
 */
import { KeyPair, PublicKey, PrivateKey } from "./secure_keygen";
export declare class SecureMessage {
    private privateKey;
    private publicKey;
    constructor(keyPair: KeyPair);
    encrypt(message: Uint8Array): Uint8Array;
    decrypt(message: Uint8Array): Uint8Array;
}
export declare class SecureMessageSign {
    private privateKey;
    constructor(privateKey: PrivateKey);
    sign(message: Uint8Array): Uint8Array;
}
export declare class SecureMessageVerify {
    private publicKey;
    constructor(publicKey: PublicKey);
    verify(message: Uint8Array): Uint8Array;
}