{"textDocument": {"uri": "file:///completionPrefixIssue.lean"},
 "position": {"line": 1, "character": 64}}
{"items":
 [{"label": "veryLongDefinitionName",
   "kind": 6,
   "data": ["file:///completionPrefixIssue.lean", 1, 64, 0, "f_uniq.51"]},
  {"label": "veryLongDefinitionNameVeryLongDefinitionName",
   "kind": 21,
   "data":
   ["file:///completionPrefixIssue.lean",
    1,
    64,
    0,
    "cveryLongDefinitionNameVeryLongDefinitionName"]}],
 "isIncomplete": false}
Resolution of veryLongDefinitionName:
{"label": "veryLongDefinitionName",
 "kind": 6,
 "detail": "Nat",
 "data": ["file:///completionPrefixIssue.lean", 1, 64, 0, "f_uniq.51"]}
Resolution of veryLongDefinitionNameVeryLongDefinitionName:
{"label": "veryLongDefinitionNameVeryLongDefinitionName",
 "kind": 21,
 "detail": "Nat",
 "data":
 ["file:///completionPrefixIssue.lean",
  1,
  64,
  0,
  "cveryLongDefinitionNameVeryLongDefinitionName"]}