Hezbollah is confirming that the next conflict will precipitate a regional response including Iran, Syria and Hamas. No doubt this is true. However it also means that any defensive or even pre-emptive moves by Israel will very quickly conjoin all 4 parties in action.
Two mortar shells explode in Golan Heights, no casualties or damage reported (Haaretz)
from the article: Hezbollah No. 2: Israel decides if there will be regional war