What does 1 Kings 19:2 mean?

Jezebel sent a message to Elijah, saying, 'May the gods punish me if I don’t make you as dead as those prophets by this time tomorrow.' 1 Kings 19:2 - Modern Text Bible

(Jezebel threatens Elijah’s life, swearing to kill him in revenge for what he did to the prophets of Baal.)