In a Toggle Flop $($T$-$flop$)$ configuration, what timing specifications dictate how quickly the next edge of the incoming clock can occur?

Question $4$ options:

just$$tsetup

just$$tCQ

tsetup$$and$$thold$($assuming tCQ$>$ thold$)$

tsetup and tCQ $($assuming tCQ $>$ thold$)$