@type t() :: %Gleanex.Client.RelatedDocuments{
  associatedEntityId: String.t() | nil,
  documents: [Gleanex.Client.Document.t()] | nil,
  querySuggestion: Gleanex.Client.QuerySuggestion.t() | nil,
  relation: String.t() | nil,
  results: [Gleanex.Client.SearchResult.t()] | nil
}