// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

interface IStringSet {
    function add(string[] memory _set, string memory _value) external pure returns (string[] memory newSet);

    function remove(string[] memory _set, string memory _value) external pure returns (string[] memory newSet);

    function removeAll(string[] memory _set, string[] memory _values) external pure returns (string[] memory newSet);

    function cardinality(string[] memory _set) external pure returns (uint256);

    function contains(string[] memory _set, string memory _value) external pure returns (bool);

    function containsAll(string[] memory _set, string[] memory _values) external pure returns (bool);

    function containsAny(string[] memory _set, string[] memory _values) external pure returns (bool);

    function difference(string[] memory _set, string[] memory _values) external pure returns (string[] memory);

    function equal(string[] memory _set, string[] memory _values) external pure returns (bool);

    function intersect(string[] memory _set, string[] memory _values) external pure returns (string[] memory);

    function union(string[] memory _set, string[] memory _values) external pure returns (string[] memory);

    function isSubset(string[] memory _set, string[] memory _values) external pure returns (bool);

    function isSuperset(string[] memory _set, string[] memory _values) external pure returns (bool);

    function isProperSubset(string[] memory _set, string[] memory _values) external pure returns (bool);

    function isProperSuperset(string[] memory _set, string[] memory _values) external pure returns (bool);
}