AntlUtilsEcto.Query.where_in_period

You're seeing just the function where_in_period, go back to AntlUtilsEcto.Query module for more information.

where_in_period(queryable, start_at_key, end_at_key, datetime)

where_in_period(any(), atom(), atom(), DateTime.t()) :: Ecto.Query.t()