--- token/ERC721/ERC721.sol	2023-04-27 22:16:54.864065073 +0200
+++ token/ERC721/ERC721.sol	2023-05-04 15:18:42.671074716 +0200
@@ -199,6 +199,11 @@
         return _owners[tokenId];
     }
 
+    // FV
+    function _getApproved(uint256 tokenId) internal view returns (address) {
+        return _tokenApprovals[tokenId];
+    }
+
     /**
      * @dev Returns whether `tokenId` exists.
      *