1// SPDX-License-Identifier: MIT
 2pragma solidity >=0.6.2;
 3
 4interface IERC165 {
 5    /// @notice Query if a contract implements an interface
 6    /// @param interfaceID The interface identifier, as specified in ERC-165
 7    /// @dev Interface identification is specified in ERC-165. This function
 8    /// uses less than 30,000 gas.
 9    /// @return `true` if the contract implements `interfaceID` and
10    /// `interfaceID` is not 0xffffffff, `false` otherwise
11    function supportsInterface(bytes4 interfaceID) external view returns (bool);
12}