/**
 * BSC bundle submission via BlockRazor / Flashbots-compatible API.
 *
 * Bundles multiple signed transactions into a single atomic submission.
 * All txs in a bundle execute in the same block, or none do.
 *
 * Requires an RPC that supports `eth_sendBundle` (e.g. BlockRazor).
 */
import { type Address, type Hex, type PublicClient } from 'viem';
import { type PrivateKeyAccount } from 'viem/accounts';
export type BundleTx = {
    /** Signed raw transaction hex */
    signedTx: Hex;
};
export type BundleResult = {
    success: boolean;
    bundleHash?: string | undefined;
    error?: string | undefined;
};
/**
 * Sign a transaction offline without broadcasting.
 * Returns the raw signed tx hex for bundle inclusion.
 */
export declare function signRawTx(account: PrivateKeyAccount, params: {
    to: Address;
    data: Hex;
    value: bigint;
    nonce: number;
    gasLimit: bigint;
    gasPrice: bigint;
    chainId?: number;
}): Promise<Hex>;
/**
 * Submit a bundle of signed transactions to the RPC's eth_sendBundle endpoint.
 *
 * @param signedTxs  Array of signed raw tx hex strings
 * @param targetBlock  Target block number (bundle valid for this block only)
 * @param rpcUrl  RPC endpoint that supports eth_sendBundle (defaults to config.rpcUrl)
 */
export declare function sendBundle(signedTxs: Hex[], targetBlock: bigint, rpcUrl?: string): Promise<BundleResult>;
/**
 * Convenience: sign multiple buy txs from different wallets and submit as bundle.
 */
export declare function sendBundledBuys(client: PublicClient, accounts: PrivateKeyAccount[], params: {
    tokenManager: Address;
    token: Address;
    bnbPerWallet: bigint;
    minAmounts: bigint[];
    buyFunctionData: Hex[];
}): Promise<BundleResult>;
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