fix: imports

src/DelegatesContracts/DelegatesUpgradeable.sol

@@ -2,12 +2,11 @@
 
 pragma solidity ^0.8.20;
 
-import {IVotes} from
-    "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/governance/utils/IVotes.sol";
+import {IDelegates} from "./IDelegates.sol";
 import {ECDSA} from
-    "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts//contracts/utils/cryptography/ECDSA.sol";
-import {ContextUpgradeable} from "lib/openzeppelin-contracts-upgradeable/contracts//utils/ContextUpgradeable.sol";
-import {NoncesUpgradeable} from "lib/openzeppelin-contracts-upgradeable/contracts//utils/NoncesUpgradeable.sol";
+    "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/utils/cryptography/ECDSA.sol";
+import {ContextUpgradeable} from "lib/openzeppelin-contracts-upgradeable/contracts/utils/ContextUpgradeable.sol";
+import {NoncesUpgradeable} from "lib/openzeppelin-contracts-upgradeable/contracts/utils/NoncesUpgradeable.sol";
 import {EIP712Upgradeable} from
     "lib/openzeppelin-contracts-upgradeable/contracts/utils/cryptography/EIP712Upgradeable.sol";
 import {Initializable} from "lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol";
@@ -17,7 +16,7 @@ abstract contract DelegatesUpgradeable is
     ContextUpgradeable,
     EIP712Upgradeable,
     NoncesUpgradeable,
-    IVotes
+    IDelegates
 {
     bytes32 private constant DELEGATION_TYPEHASH =
         keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)");
@@ -79,7 +78,7 @@ abstract contract DelegatesUpgradeable is
         virtual
     {
         if (block.timestamp > expiry) {
-            revert VotesExpiredSignature(expiry);
+            revert DelegatesExpiredSignature(expiry);
         }
         address signer = ECDSA.recover(
             _hashTypedDataV4(keccak256(abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry))), v, r, s

src/DelegatesContracts/IDelegates.sol

@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
+
+interface IDelegates {
+    /**
+     * @dev The signature used has expired.
+     */
+    error DelegatesExpiredSignature(uint256 expiry);
+
+    /**
+     * @dev Emitted when an account changes their delegate.
+     */
+    event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);
+
+    /**
+     * @dev Emitted when a token transfer or delegate change results in changes to a delegate's number of voting units.
+     */
+    event DelegateVotesChanged(address indexed delegate, uint256 previousVotes, uint256 newVotes);
+
+    /**
+     * @dev Returns the current amount of votes that `account` has.
+     */
+    function getVotes(address account) external view returns (uint256);
+
+    /**
+     * @dev Returns the delegate that `account` has chosen.
+     */
+    function delegates(address account) external view returns (address);
+
+    /**
+     * @dev Delegates votes from the sender to `delegatee`.
+     */
+    function delegate(address delegatee) external;
+
+    /**
+     * @dev Delegates votes from signer to `delegatee`.
+     */
+    function delegateBySig(address delegatee, uint256 nonce, uint256 expiry, uint8 v, bytes32 r, bytes32 s) external;
+}