enum YieldMode {
  AUTOMATIC,
  VOID,
  CLAIMABLE
}

interface IERC20Rebasing {
  function configure(YieldMode) external returns (uint256);
  function claim(address recipient, uint256 amount) external returns (uint256);
  function getClaimableAmount(address account) external view returns (uint256);
}

contract MyContract {
  IERC20Rebasing public constant USDC = IERC20Rebasing(`usdc_contract_address`);
  IERC20Rebasing public constant WETH = IERC20Rebasing(`weth_contract_address`);

  constructor() {
    USDC.configure(YieldMode.CLAIMABLE); // Configure claimable yield for USDC
    WETH.configure(YieldMode.CLAIMABLE); // Configure claimable yield for WETH
  }
}

interface INrETH {
  receive() external payable;
  function wrap(uint256 _amount) external returns (uint256);
  function unwrap(uint256 _shares) external returns (uint256);
}

interface INrUSDC {
  function wrap(uint256 _amount) external returns (uint256);
  function unwrap(uint256 _shares) external returns (uint256);
}