function _convertWrappedEthToStETH(uint256 _initialWETH) internal returns (uint256) {
    ...
    uint256 _wETHReiceived = wrappedEth.balanceOf(address(this)) - _wETHBalBefore;
    ...
    IWrappedETH(address(wrappedEth)).withdraw(_wETHReiceived);
    ...
}
function _convertWstEthToStETH(uint256 _initialWstETH) internal returns (uint256) {
    ...
    uint256 _stETHReiceived = stEth.balanceOf(address(this)) - _stETHBalBefore;
    ...
    return _stETHReiceived;
}
function _convertWrappedEthToStETH(uint256 _initialWETH) internal returns (uint256) {
    ...
-    uint256 _wETHReiceived = wrappedEth.balanceOf(address(this)) - _wETHBalBefore;
+    uint256 _wETHReceived = wrappedEth.balanceOf(address(this)) - _wETHBalBefore;
    ...
-    IWrappedETH(address(wrappedEth)).withdraw(_wETHReiceived);
+    IWrappedETH(address(wrappedEth)).withdraw(_wETHReceived);
    ...
}
function _convertWstEthToStETH(uint256 _initialWstETH) internal returns (uint256) {
    ...
-    uint256 _stETHReiceived = stEth.balanceOf(address(this)) - _stETHBalBefore;
+    uint256 _stETHReceived = stEth.balanceOf(address(this)) - _stETHBalBefore;
    ...
-    return _stETHReiceived;
+    return _stETHReceived;
}
