// SPDX-License-Identifier: MIT pragma solidity 0.8.19; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; interface IPropel is IERC20 { event EsPropelToPropel(address account, uint256 amount); event PropelToEsPropel(address account, uint256 amount); function propel2EsPropel(address account, uint256 amount) external; function esPropel2Propel(address account, uint256 amount) external; function burn(uint256 amount) external; function burnFrom(address account, uint256 amount) external; }