import { Action } from '../../Action';
import { EthAddress, uint256 } from '../../types';
/**
 * CurveUsdSupplyAction - Action that supplies collateral to a curveusd position
 *
 * @category CurveUsd
 */
export declare class CurveUsdSupplyAction extends Action {
    /**
     * address controllerAddress - Address of the curveusd market controller
     * address from - Address from which to pull collateral asset, will default to proxy
     * address onBehalfOf - Address for which we are supplying, will default to proxy
     * uint256 collateralAmount - Amount of collateral asset to supply
     */
    constructor(controllerAddress: EthAddress, from: EthAddress, onBehalfOf: EthAddress, collateralAmount: uint256);
    getAssetsToApprove(): Promise<{
        owner: any;
        asset: string;
    }[]>;
}