# base

- [Checks](/technical-reference/maverick-v2/v2-contracts/maverick-v2-supplemental-contracts/base/checks.md)
- [IChecks](/technical-reference/maverick-v2/v2-contracts/maverick-v2-supplemental-contracts/base/ichecks.md)
- [IMigrateBins](/technical-reference/maverick-v2/v2-contracts/maverick-v2-supplemental-contracts/base/imigratebins.md)
- [MigrateBins](/technical-reference/maverick-v2/v2-contracts/maverick-v2-supplemental-contracts/base/migratebins.md)