/**
 * Aerodrome Provider — Direct DEX routing via Aerodrome Router on Base
 *
 * Aerodrome is the largest liquidity hub on Base.
 * Router: 0xcF77a3Ba9A5CA399B7c97c74d54e5b1Beb874E43
 *
 * Used as fallback when 0x is rate-limited or for core pairs (USDC/WETH)
 * where Aerodrome has the deepest liquidity.
 */
import { ethers } from 'ethers';
import type { SwapQuoteParams, SwapQuote } from '../types';
import type { SwapProvider } from './swap-provider';
/** Params for building swap calldata */
export interface AerodromeSwapParams {
    tokenIn: string;
    tokenOut: string;
    amountIn: bigint;
    amountOutMin: bigint;
    to: string;
    deadline: bigint;
}
export declare class AerodromeProvider implements SwapProvider {
    private readonly provider?;
    readonly name = "aerodrome";
    private readonly routerAddress;
    private readonly routerInterface;
    constructor(routerAddress: string, provider?: ethers.Provider);
    /**
     * Get a swap quote by calling router.getAmountsOut() on-chain.
     * Requires an ethers Provider to be set.
     */
    getQuote(params: SwapQuoteParams): Promise<SwapQuote>;
    /**
     * Build the swap transaction calldata.
     * This can be used directly without getQuote if you already know the amounts.
     */
    buildSwapCalldata(params: AerodromeSwapParams): {
        to: string;
        data: string;
        value: string;
    };
    /**
     * Apply slippage to an amount: amount * (10000 - slippageBps) / 10000
     */
    applySlippage(amount: bigint, slippageBps: number): bigint;
    /**
     * Build Aerodrome route for a token pair.
     * Uses volatile pool (stable = false) for most pairs.
     * USDC/DAI would use stable = true.
     */
    private buildRoute;
    private isStablePair;
}