/**
 * Aggregate error thrown when one or more transactions fail simulation inside
 * `MultiTransactionPayload.simulate`. Carries the individual simulation
 * failures so callers can map them back to the original input transactions by
 * index.
 */
export declare class MultiTransactionSimulationError extends Error {
    name: string;
    /**
     * Per-transaction simulation failures.
     *
     * - `index`: position of the failed transaction in the original
     *   `transactionsData` array passed to `MultiTransactionPayload`.
     * - `error`: the underlying error raised while simulating that transaction
     *   (typed as `unknown` because it may be an `Error`, an Anchor/Program
     *   error, or any other value thrown by the RPC client).
     */
    simulationErrors: {
        index: number;
        error: unknown;
    }[];
    /**
     * @param message Human-readable summary of the aggregate failure. Used as
     *   the underlying `Error.message`.
     * @param simulationErrors List of per-transaction failures, each tagged
     *   with the source transaction's index in the original input array.
     */
    constructor(message: string, simulationErrors: {
        index: number;
        error: unknown;
    }[]);
}