> For the complete documentation index, see [llms.txt](https://contracts.synapseprotocol.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://contracts.synapseprotocol.com/elin/contracts-upgradeable/drafts.md).

# drafts

- [EIP712Upgradeable](https://contracts.synapseprotocol.com/elin/contracts-upgradeable/drafts/eip712upgradeable.md)
- [ERC20PermitUpgradeable](https://contracts.synapseprotocol.com/elin/contracts-upgradeable/drafts/erc20permitupgradeable.md)
- [IERC20PermitUpgradeable](https://contracts.synapseprotocol.com/elin/contracts-upgradeable/drafts/ierc20permitupgradeable.md)