import { Action } from '../../Action';
import { EthAddress, uint256 } from '../../types';
/**
 * SDaiUnwrapAction - Unwrap sDAI to DAI
 *
 * @category Spark
 */
export declare class SDaiUnwrapAction extends Action {
    /**
     * @param amount Amount of token to unwrap
     * @param from Address we are pulling sDAI from (fallback to proxy)
     * @param to Address we are sending DAI to (fallback to proxy)
     */
    constructor(amount: uint256, from?: EthAddress, to?: EthAddress);
    getAssetsToApprove(): Promise<{
        asset: string;
        owner: any;
    }[]>;
}