// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

// interfaces

// libraries

// contracts

interface IERC20PermitBase {
    /// @dev Permit deadline has expired.
    error ERC2612ExpiredSignature(uint256 deadline);

    /// @dev Mismatched signature.
    error ERC2612InvalidSigner(address signer, address owner);
}