import type { GetSwapQuoteArgs, PrepareSwapArgs } from "./schemas.js";
import type { SupportedChain, UnsignedTx } from "../../types/index.js";
/**
 * Reject slippage configurations that are almost certainly user/agent error.
 * The schema already caps at 500 bps (5%); this adds a soft-cap at 100 bps
 * (1%) that requires an explicit ack. MEV sandwich bots target open-slippage
 * txs, so every unnecessary basis point is paid straight to a searcher.
 */
export declare function assertSlippageOk(slippageBps: number | undefined, ack: boolean | undefined): void;
export declare function getSwapQuote(args: GetSwapQuoteArgs): Promise<{
    warning?: string | undefined;
    savingsVsLifi?: {
        source: "1inch";
        outputDeltaPct: number;
        outputDeltaUsd?: number;
    } | undefined;
    bestSource?: "1inch" | "lifi" | "tie" | undefined;
    alternatives?: ({
        source: "1inch";
        toAmountExpected: string;
        toAmountUsd?: number;
        gasEstimate?: number;
    } | {
        source: "1inch";
        error: string;
    })[] | undefined;
    fromChain: string;
    toChain: string;
    fromToken: import("@lifi/types").Token;
    toToken: import("@lifi/types").Token;
    fromAmount: string;
    toAmountMin: string;
    toAmountExpected: string;
    fromAmountUsd: number | undefined;
    toAmountUsd: number | undefined;
    tool: string;
    executionDurationSeconds: number;
    feeCostsUsd: number | undefined;
    gasCostsUsd: number | undefined;
    crossChain: boolean;
}>;
export declare function prepareSwap(args: PrepareSwapArgs): Promise<UnsignedTx>;
export declare function getSwapStatus(args: {
    txHash: string;
    fromChain: SupportedChain;
    toChain: SupportedChain;
}): Promise<import("@lifi/types").StatusResponse>;