// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../utils/CountersUpgradeable.sol"; import "../proxy/utils/Initializable.sol"; contract CountersImplUpgradeable is Initializable { function __CountersImpl_init() internal onlyInitializing { } function __CountersImpl_init_unchained() internal onlyInitializing { } using CountersUpgradeable for CountersUpgradeable.Counter; CountersUpgradeable.Counter private _counter; function current() public view returns (uint256) { return _counter.current(); } function increment() public { _counter.increment(); } function decrement() public { _counter.decrement(); } function reset() public { _counter.reset(); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }