import { Hex } from 'viem';
import { WotsBlockPublicKey } from '../../clients/vault-provider/types';
/**
 * Result of {@link expandPerVaultSecrets}.
 */
export interface PerVaultExpansionResult {
    perVaultWotsKeys: WotsBlockPublicKey[][];
    /** Keccak256 of WOTS keys, ready as `depositorWotsPkHash` (0x-prefixed). */
    wotsPkHashes: Hex[];
    /** HTLC preimage hex per vault (no 0x prefix). */
    htlcSecretHexes: string[];
    /** SHA-256 of each HTLC preimage as 64-char hex (no 0x prefix). */
    hashlocks: string[];
}
/**
 * Derive per-vault WOTS keys + HTLC preimages from the wallet root.
 *
 * Takes ownership of `root`: zeros the buffer (and per-vault secret
 * buffers) before returning, regardless of how the caller exits.
 *
 * @param root        32-byte wallet-derived root from `deriveVaultRoot`.
 * @param vaultCount  Number of vaults (= length of `amounts`).
 */
export declare function expandPerVaultSecrets(root: Uint8Array, vaultCount: number): Promise<PerVaultExpansionResult>;
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