openzeppelin-contracts/contracts/access/manager/AuthorityUtils.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.20;

import {IAuthority} from "./IAuthority.sol";

library AuthorityUtils {
    /**
     * @dev Since `AccessManager` implements an extended IAuthority interface, invoking `canCall` with backwards compatibility
     * for the preexisting `IAuthority` interface requires special care to avoid reverting on insufficient return data.
     * This helper function takes care of invoking `canCall` in a backwards compatible way without reverting.
     */
    function canCallWithDelay(
        address authority,
        address caller,
        address target,
        bytes4 selector
    ) internal view returns (bool allowed, uint32 delay) {
        (bool success, bytes memory data) = authority.staticcall(
            abi.encodeCall(IAuthority.canCall, (caller, target, selector))
        );
        if (success) {
            if (data.length >= 0x40) {
                (allowed, delay) = abi.decode(data, (bool, uint32));
            } else if (data.length >= 0x20) {
                allowed = abi.decode(data, (bool));
            }
        }
        return (allowed, delay);
    }
}