What does Jeremiah 24:3 mean?

Then the Lord asked me, 'Jeremiah, what do you see?' I answered, 'Figs. The good ones are really good, but the bad ones are so rotten you can’t eat them.' Jeremiah 24:3 - Modern Text Bible

(God is prompting Jeremiah to notice the difference between the two baskets, setting up the meaning behind the vision.)