/**
 * Generates a new BIP39 seed phrase
 * @returns {string} The generated seed phrase
 * @example
 * const seedPhrase = generateSeedPhrase();
 * console.log(seedPhrase); // "witch collapse practice feed shame open despair creek road again ice least"
 */
export declare function generateSeedPhrase(): string;
/**
 * Validates a BIP39 seed phrase
 * @param {string} seedPhrase - The seed phrase to validate
 * @returns {boolean} True if the seed phrase is valid
 * @example
 * const isValid = validateSeedPhrase("witch collapse practice feed shame open despair creek road again ice least");
 * console.log(isValid); // true
 */
export declare function validateSeedPhrase(seedPhrase: string): boolean;
/**
 * Converts a BIP39 seed phrase to its entropy value
 * @param {string} seedPhrase - The BIP39 seed phrase to convert
 * @returns {Uint8Array} The entropy value
 * @throws {Error} If the seed phrase is invalid
 * @example
 * const entropy = getEntropyFromSeedPhrase("witch collapse practice feed shame open despair creek road again ice least");
 * console.log(entropy); // Uint8Array
 */
export declare function getEntropyFromSeedPhrase(seedPhrase: string): Uint8Array;