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| // SPDX-License-Identifier: MIT OR Apache-2.0 | |
| pragma solidity >=0.8.13 <0.9.0; | |
| interface IERC165 { | |
| /// @notice Query if a contract implements an interface | |
| /// @param interfaceID The interface identifier, as specified in ERC-165 | |
| /// @dev Interface identification is specified in ERC-165. This function | |
| /// uses less than 30,000 gas. | |
| /// @return `true` if the contract implements `interfaceID` and | |
| /// `interfaceID` is not 0xffffffff, `false` otherwise | |
| function supportsInterface(bytes4 interfaceID) external view returns (bool); | |
| } | |