{
    "Function": "burn",
    "File": "src/PrincipalToken.sol",
    "Parent Contracts": [
        "lib/openzeppelin-contracts/contracts/token/ERC721/ERC721.sol",
        "lib/openzeppelin-contracts/contracts/token/ERC721/extensions/IERC721Metadata.sol",
        "lib/openzeppelin-contracts/contracts/token/ERC721/IERC721.sol",
        "lib/openzeppelin-contracts/contracts/utils/introspection/ERC165.sol",
        "lib/openzeppelin-contracts/contracts/utils/introspection/IERC165.sol",
        "lib/openzeppelin-contracts/contracts/utils/Context.sol"
    ],
    "High-Level Calls": [
        "IDelegateToken"
    ],
    "Internal Calls": [
        "_burn",
        "revert NotApproved(address,uint256)",
        "_checkDelegateTokenCaller",
        "_isApprovedOrOwner"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function burn(address spender, uint256 id) external {\n        _checkDelegateTokenCaller();\n        if (_isApprovedOrOwner(spender, id)) {\n            _burn(id);\n            IDelegateToken(delegateToken).burnAuthorizedCallback();\n            return;\n        }\n        revert NotApproved(spender, id);\n    }"
}