sanity for TimelockController and Votes

certora/munged/mocks/StringsMock.sol

@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.0;
+
+import "../utils/Strings.sol";
+
+contract StringsMock {
+    function fromUint256(uint256 value) public pure returns (string memory) {
+        return Strings.toString(value);
+    }
+
+    function fromUint256Hex(uint256 value) public pure returns (string memory) {
+        return Strings.toHexString(value);
+    }
+
+    function fromUint256HexFixed(uint256 value, uint256 length) public pure returns (string memory) {
+        return Strings.toHexString(value, length);
+    }
+}