import { Action } from '../../Action';
import { EthAddress, uint256 } from '../../types';
/**
 * @category Curve
 */
export declare class CurveSwapAction extends Action {
    /**
       *
       * @param sender
       * @param receiver
       * @param pool
       * @param tokenA
       * @param tokenB
       * @param amount
       * @param expected
       */
    constructor(sender: EthAddress, receiver: EthAddress, pool: EthAddress, tokenA: EthAddress, tokenB: EthAddress, amount: uint256, expected: uint256);
    getAssetsToApprove(): Promise<{
        asset: any;
        owner: any;
    }[]>;
}