/**
 * TETSUO Wallet SDK - Wallet Generation & Key Management
 */
import { GeneratedWallet, ImportedWallet } from './types';
/**
 * Generate a new wallet with mnemonic
 * Uses BIP39 for mnemonic generation and custom key derivation for TETSUO
 */
export declare function generateWallet(): Promise<GeneratedWallet>;
/**
 * Import a wallet from an existing mnemonic phrase
 */
export declare function importFromMnemonic(mnemonic: string): Promise<GeneratedWallet>;
/**
 * Import a wallet from a private key (hex format)
 */
export declare function importFromPrivateKey(privateKeyHex: string): ImportedWallet;
/**
 * Derive the public key from a private key using proper secp256k1
 * This uses elliptic curve point multiplication for cryptographic correctness
 */
export declare function derivePublicKey(privateKeyHex: string): string;
/**
 * Derive public key using legacy HMAC method
 * Only used for backward compatibility with old wallets
 */
export declare function derivePublicKeyLegacy(privateKeyHex: string): string;
/**
 * Validate if a mnemonic phrase is valid
 */
export declare function isValidMnemonic(mnemonic: string): boolean;
/**
 * Get supported mnemonic word count
 */
export declare function getSupportedMnemonicLengths(): number[];