Ring of Mind Shielding (DMG, p. 191)
While wearing this ring, you are immune to magic that allows other creatures to read your thoughts, determine whether you are lying, know your alignment, or know your creature type. Creatures can telepathically communicate with you only if you allow it... (etc.)
Thought Shield (PHB, p. 110)
Starting at 10th level, your thoughts can't be read by telepathy or other means unless you allow it... (etc.)
I mean in the sense that it protects the Warlock from lie, alignment, and creature type detection, not the "soul-transfer" stuff. How else would lies be detected magically without some form of mind-reading?