@type t() :: %Gleanex.Client.ListEntitiesRequest{
  cursor: String.t() | nil,
  datasource: String.t() | nil,
  entityType: String.t() | nil,
  filter: [Gleanex.Client.FacetFilter.t()] | nil,
  includeFields: [String.t()] | nil,
  pageSize: integer() | nil,
  query: String.t() | nil,
  requestType: String.t() | nil,
  sort: [Gleanex.Client.SortOptions.t()] | nil,
  source: String.t() | nil
}