I have a doubt here.

[itsabinashb]

Here we are calling toUint24() with only one argument, like this tickSpacing = path.toUint24(ADDR_SIZE), but toUint24() takes 2 arguments, function toUint24(bytes memory _bytes, uint256 _start) internal pure returns(uint24 tempUint){}, how is it working?

[Jeiwan]

This:
https://docs.soliditylang.org/en/v0.8.23/contracts.html#using-for