> 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/utils.md).

# utils

- [AddressUpgradeable](https://contracts.synapseprotocol.com/elin/contracts-upgradeable/utils/addressupgradeable.md)
- [ContextUpgradeable](https://contracts.synapseprotocol.com/elin/contracts-upgradeable/utils/contextupgradeable.md)
- [CountersUpgradeable](https://contracts.synapseprotocol.com/elin/contracts-upgradeable/utils/countersupgradeable.md)
- [EnumerableSetUpgradeable](https://contracts.synapseprotocol.com/elin/contracts-upgradeable/utils/enumerablesetupgradeable.md)
- [PausableUpgradeable](https://contracts.synapseprotocol.com/elin/contracts-upgradeable/utils/pausableupgradeable.md)
- [ReentrancyGuardUpgradeable](https://contracts.synapseprotocol.com/elin/contracts-upgradeable/utils/reentrancyguardupgradeable.md)