@type t() :: %Gleanex.Client.GleanAssistInsightsResponse{
  activityInsights: [Gleanex.Client.UserActivityInsight.t()] | nil,
  datasourceInstances: [String.t()] | nil,
  departments: [String.t()] | nil,
  lastLogTimestamp: integer() | nil,
  totalActiveUsers: integer() | nil
}