# contracts-upgradeable-4.5.0

- [access](/elin/contracts-upgradeable-4.5.0/access.md)
- [AccessControlUpgradeable](/elin/contracts-upgradeable-4.5.0/access/accesscontrolupgradeable.md)
- [IAccessControlUpgradeable](/elin/contracts-upgradeable-4.5.0/access/iaccesscontrolupgradeable.md)
- [OwnableUpgradeable](/elin/contracts-upgradeable-4.5.0/access/ownableupgradeable.md)
- [security](/elin/contracts-upgradeable-4.5.0/security.md)
- [PausableUpgradeable](/elin/contracts-upgradeable-4.5.0/security/pausableupgradeable.md)
- [utils](/elin/contracts-upgradeable-4.5.0/utils.md)
- [AddressUpgradeable](/elin/contracts-upgradeable-4.5.0/utils/addressupgradeable.md)
- [ContextUpgradeable](/elin/contracts-upgradeable-4.5.0/utils/contextupgradeable.md)
- [StringsUpgradeable](/elin/contracts-upgradeable-4.5.0/utils/stringsupgradeable.md)
- [introspection](/elin/contracts-upgradeable-4.5.0/utils/introspection.md)
- [ERC165Upgradeable](/elin/contracts-upgradeable-4.5.0/utils/introspection/erc165upgradeable.md)
- [IERC165Upgradeable](/elin/contracts-upgradeable-4.5.0/utils/introspection/ierc165upgradeable.md)
- [proxy](/elin/contracts-upgradeable-4.5.0/proxy.md)
- [utils](/elin/contracts-upgradeable-4.5.0/proxy/utils.md)
- [Initializable](/elin/contracts-upgradeable-4.5.0/proxy/utils/initializable.md)
- [token](/elin/contracts-upgradeable-4.5.0/token.md)
- [ERC20](/elin/contracts-upgradeable-4.5.0/token/erc20.md)
- [IERC20Upgradeable](/elin/contracts-upgradeable-4.5.0/token/erc20/ierc20upgradeable.md)
- [ERC721](/elin/contracts-upgradeable-4.5.0/token/erc721.md)
- [ERC721Upgradeable](/elin/contracts-upgradeable-4.5.0/token/erc721/erc721upgradeable.md)
- [IERC721ReceiverUpgradeable](/elin/contracts-upgradeable-4.5.0/token/erc721/ierc721receiverupgradeable.md)
- [IERC721Upgradeable](/elin/contracts-upgradeable-4.5.0/token/erc721/ierc721upgradeable.md)
- [extensions](/elin/contracts-upgradeable-4.5.0/token/erc721/extensions.md)
- [ERC721EnumerableUpgradeable](/elin/contracts-upgradeable-4.5.0/token/erc721/extensions/erc721enumerableupgradeable.md)
- [IERC721EnumerableUpgradeable](/elin/contracts-upgradeable-4.5.0/token/erc721/extensions/ierc721enumerableupgradeable.md)
- [IERC721MetadataUpgradeable](/elin/contracts-upgradeable-4.5.0/token/erc721/extensions/ierc721metadataupgradeable.md)