What does 2 Kings 5:26 mean?

But Elisha said, 'Didn't my spirit go with you when the man got down from his chariot to meet you? Is this the time to take money or clothes, or olive groves, vineyards, sheep, cattle, or servants?' 2 Kings 5:26 - Modern Text Bible

(Elisha knows exactly what Gehazi did, even though he wasn't there physically. He rebukes Gehazi for his greed and dishonesty.)