// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IStaderStakePoolsManager { // returns the amount of share corresponding to `_assets` assets function previewDeposit( uint256 _assets ) external view returns (uint256); // return the amount of assets corresponding to `_shares` shares function previewWithdraw( uint256 _shares ) external view returns (uint256); }