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pragma solidity ^0.8.0; |
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* @dev Interface of the ERC165 standard, as defined in the |
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* https://eips.ethereum.org/EIPS/eip-165[EIP]. |
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* |
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* Implementers can declare support of contract interfaces, which can then be |
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* queried by others ({ERC165Checker}). |
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* |
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* For an implementation, see {ERC165}. |
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*/ |
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interface IERC165 { |
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* @dev Returns true if this contract implements the interface defined by |
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* `interfaceId`. See the corresponding |
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* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] |
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* to learn more about how these ids are created. |
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* |
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* This function call must use less than 30 000 gas. |
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*/ |
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function supportsInterface(bytes4 interfaceId) external view returns (bool); |
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} |
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