{"textDocument": {"uri": "file:///completion7.lean"},
 "position": {"line": 6, "character": 10}}
{"items":
 [{"label": "And",
   "kind": 22,
   "data": ["file:///completion7.lean", 6, 10, 0, "cAnd"]}],
 "isIncomplete": false}
Resolution of And:
{"label": "And",
 "kind": 22,
 "detail": "Type 1",
 "data": ["file:///completion7.lean", 6, 10, 0, "cAnd"]}
{"textDocument": {"uri": "file:///completion7.lean"},
 "position": {"line": 8, "character": 11}}
{"items":
 [{"label": "left",
   "kind": 5,
   "data": ["file:///completion7.lean", 8, 11, 0, "cAnd.left"]},
  {"label": "right",
   "kind": 5,
   "data": ["file:///completion7.lean", 8, 11, 0, "cAnd.right"]},
  {"label": "mk",
   "kind": 4,
   "data": ["file:///completion7.lean", 8, 11, 0, "cAnd.mk"]}],
 "isIncomplete": false}
Resolution of left:
{"label": "left",
 "kind": 5,
 "detail": "And → Type",
 "data": ["file:///completion7.lean", 8, 11, 0, "cAnd.left"]}
Resolution of right:
{"label": "right",
 "kind": 5,
 "detail": "And → Type",
 "data": ["file:///completion7.lean", 8, 11, 0, "cAnd.right"]}
Resolution of mk:
{"label": "mk",
 "kind": 4,
 "detail": "Type → Type → And",
 "data": ["file:///completion7.lean", 8, 11, 0, "cAnd.mk"]}