{"textDocument": {"uri": "file:///hoverAt.lean"}, "position": {"line": 8, "character": 18}} {"range": {"start": {"line": 8, "character": 17}, "end": {"line": 8, "character": 34}}, "contents": {"value": "```lean\nPalindrome.single.{u_1} {α : Type u_1} (a : α) : Palindrome [a]\n```", "kind": "markdown"}}