INFO:Detectors:
A.unused (tests/unused_state.sol#4) is never used in B
A.unused2 (tests/unused_state.sol#5) is never used in B
A.unused3 (tests/unused_state.sol#6) is never used in B
A.unused4 (tests/unused_state.sol#7) is never used in B
Reference: https://github.com/crytic/slither/wiki/Detector-Documentation#unused-state-variables
INFO:Slither:tests/unused_state.sol analyzed (2 contracts), 4 result(s) found