/**
 * Themis key kinds.
 *
 * Keep in sync with <themis/secure_keygen.h>.
 */
export declare enum KeyKind {
    INVALID = 0,
    RSA_PRIVATE = 1,
    RSA_PUBLIC = 2,
    EC_PRIVATE = 3,
    EC_PUBLIC = 4
}
export declare class PrivateKey extends Uint8Array {
    constructor(array: Uint8Array | ArrayBuffer);
}
export declare class PublicKey extends Uint8Array {
    constructor(array: Uint8Array | ArrayBuffer);
}
export declare class KeyPair {
    private _publicKey;
    private _privateKey;
    constructor(privateKey?: PrivateKey, publicKey?: PublicKey);
    get publicKey(): PublicKey;
    get privateKey(): PrivateKey;
}
export declare class SymmetricKey extends Uint8Array {
    constructor(array?: Uint8Array | ArrayBuffer);
}