import { AsyncOrSync } from 'ts-essentials';
import { OptimalSwapExchange } from '@paraswap/core';
import { SwapSide } from '../constants';
import { ExchangeTxInfo, GetDexParamOptions, NumberAsString, PreprocessTransactionOptions, Token } from '../types';
export type PreProcessTransactionFn<T> = (optimalSwapExchange: OptimalSwapExchange<T>, srcToken: Token, destToken: Token, side: SwapSide, options: PreprocessTransactionOptions) => AsyncOrSync<[OptimalSwapExchange<T>, ExchangeTxInfo]>;
export type GetDexParamPreProcessErrorCode = 'MISSING_CONTEXT' | 'INVALID_CONTEXT' | 'PREPROCESS_FAILED' | 'MISSING_DATA';
export declare class GetDexParamPreProcessError extends Error {
    dexKey: string;
    side: SwapSide;
    code: GetDexParamPreProcessErrorCode;
    originalError?: unknown | undefined;
    isGetDexParamPreProcessError: boolean;
    cause: string;
    constructor(dexKey: string, side: SwapSide, code: GetDexParamPreProcessErrorCode, message: string, originalError?: unknown | undefined);
}
export declare function unwrapPreProcessError(error: unknown): unknown;
export declare function resolvePreProcessedData<T>({ dexKey, data, side, isPreProcessed, preProcessTransaction, options, }: {
    dexKey: string;
    data: T;
    side: SwapSide;
    isPreProcessed: boolean;
    preProcessTransaction: PreProcessTransactionFn<T>;
    options?: GetDexParamOptions;
}): Promise<{
    data: T;
    minDeadline?: NumberAsString;
}>;