/**
 * Bitcoin PQC algorithm identifiers
 */
export declare enum Algorithm {
    /** BIP-340 Schnorr + X-Only - Elliptic Curve Digital Signature Algorithm */
    SECP256K1_SCHNORR = 0,
    /** FN-DSA-512 (FALCON) - Fast Fourier lattice-based signature scheme */
    FN_DSA_512 = 1,
    /** ML-DSA-44 (CRYSTALS-Dilithium) - Lattice-based signature scheme */
    ML_DSA_44 = 2,
    /** SLH-DSA-Shake-128s (SPHINCS+) - Hash-based signature scheme */
    SLH_DSA_SHAKE_128S = 3
}
/**
 * Error types for PQC operations
 */
export declare enum ErrorCode {
    /** Operation completed successfully */
    OK = 0,
    /** Invalid arguments provided */
    BAD_ARGUMENT = -1,
    /** Invalid key provided */
    BAD_KEY = -2,
    /** Invalid signature provided */
    BAD_SIGNATURE = -3,
    /** Algorithm not implemented */
    NOT_IMPLEMENTED = -4
}
/**
 * Error class for PQC operations
 */
export declare class PqcError extends Error {
    readonly code: ErrorCode;
    constructor(code: ErrorCode, message?: string);
}
/**
 * Public key wrapper
 */
export declare class PublicKey {
    /** The algorithm this key belongs to */
    readonly algorithm: Algorithm;
    /** The raw key bytes */
    readonly bytes: Uint8Array;
    constructor(algorithm: Algorithm, bytes: Uint8Array);
}
/**
 * Secret key wrapper
 */
export declare class SecretKey {
    /** The algorithm this key belongs to */
    readonly algorithm: Algorithm;
    /** The raw key bytes */
    readonly bytes: Uint8Array;
    constructor(algorithm: Algorithm, bytes: Uint8Array);
}
/**
 * Signature wrapper
 */
export declare class Signature {
    /** The algorithm this signature belongs to */
    readonly algorithm: Algorithm;
    /** The raw signature bytes */
    readonly bytes: Uint8Array;
    constructor(algorithm: Algorithm, bytes: Uint8Array);
}
/**
 * Key pair containing both public and secret keys
 */
export declare class KeyPair {
    /** The public key */
    readonly publicKey: PublicKey;
    /** The secret key */
    readonly secretKey: SecretKey;
    constructor(publicKey: PublicKey, secretKey: SecretKey);
}