import { Action } from '../../Action';
import { EthAddress, uint256 } from '../../types';
/**
 * LidoStakeAction - Receives WETH, transforms it to ETH then sends it to Lido staking contract receiving stETH in return
 *
 * @category Lido
 */
export declare class LidoStakeAction extends Action {
    /**
     * @param amount amount of WETH to pull and stake
     * @param from WETH will be taken from this address
     * @param to stETH will be sent to this address
     */
    constructor(amount: uint256, from: EthAddress, to: EthAddress);
    getAssetsToApprove(): Promise<{
        asset: string;
        owner: any;
    }[]>;
}