∀ {wi : Lean.Server.Test.Runner.Client.WidgetInstance}
  {alt : Lean.Widget.TaggedText Lean.Server.Test.Runner.Client.HighlightedMsgEmbed}
  {wi_1 : Lean.Server.Test.Runner.Client.WidgetInstance}
  {alt_1 : Lean.Widget.TaggedText Lean.Server.Test.Runner.Client.HighlightedMsgEmbed},
  Lean.Server.Test.Runner.Client.HighlightedMsgEmbed.widget wi alt =
      Lean.Server.Test.Runner.Client.HighlightedMsgEmbed.widget wi_1 alt_1 →
    wi = wi_1 ∧ alt = alt_1