There are 15 instances of it its recommend to remove unused imports from the contracts for better readability of the code here are the permalinks of them ClearingHouse.sol#L17, ClearingHouse.sol#L24-L26, CollateralToken.sol#L33, CollateralToken.sol#L59, PublicVault.sol#L24, PublicVault.sol#L27, AstariaRouter.sol#L42, LienToken.sol#L34, AstariaVaultBase.sol#L18, AstariaVaultBase.sol#L21, VaultImplementation.sol#L25, IPublicVault.sol#L16, ICollateralToken.sol#L27, IAstariaRouter.sol#L16, IAstariaRouter.sol#L25
it could be better if they add natspec comments in this contract here is the permalink of the contract ClearingHouse.sol
here is the permalink of it AstariaRouter.sol#L73
uint88 maxInterestRate; //6
it should be as
uint88 maxInterestRate; //11
because in the context for the uint88 converts as 11 bytes
so instead of 6 it should replace with 11