import { type Hex } from "viem";
import type { Signature } from "../types.js";
export declare const combineSignatures: ({ signatures, upperLimitMaxFeePerGas, upperLimitMaxPriorityFeePerGas, upperLimitPvg, usingMaxValues, }: {
    upperLimitPvg: Hex;
    upperLimitMaxFeePerGas: Hex;
    upperLimitMaxPriorityFeePerGas: Hex;
    signatures: Signature[];
    usingMaxValues: boolean;
}) => `0x${string}`;