What does Jeremiah 28:11 mean?

He said, 'This is what the Lord says: In the same way, I'll break the yoke of Nebuchadnezzar king of Babylon off the neck of all these nations within two years.' At that, I walked away. Jeremiah 28:11 - Modern Text Bible

(Hananiah repeats his claim that Babylon's power will be broken soon, and Jeremiah leaves without arguing further.)