import { EvmMessage } from "near-ca";
import { TransactionSerializable } from "viem";
import { DecodedTxData, SafeEncodedSignRequest, UserOperation } from "../types";
/**
 * Decodes transaction data for a given EVM transaction and extracts relevant details.
 *
 * @param {EvmTransactionData} data - The raw transaction data to be decoded.
 * @returns {DecodedTxData} - An object containing the chain ID, estimated cost, and a list of decoded meta-transactions.
 */
export declare function decodeTxData({ evmMessage, chainId, }: Omit<SafeEncodedSignRequest, "hashToSign">): DecodedTxData;
/**
 * Represents different types of broadcastable messages
 */
export type BroadcastTarget = {
    type: "evm";
    transaction: TransactionSerializable;
} | {
    type: "bundler";
    userOp: UserOperation;
};
/**
 * Determines where and how an EVM message should be broadcast
 * @param evmMessage - The message to be analyzed
 * @returns Information about how to broadcast the message, or null if invalid
 */
export declare function determineBroadcastTarget(evmMessage: EvmMessage): BroadcastTarget | null;