def set_field_inclusion(fields, value)
      fields_option = {}
      fields.each { |field| fields_option[symbolized_key(field)] = value }
      clone.tap { |query| query.options[:fields] = fields_option }
    end
def set_field_inclusion(fields, value)
      fields_option = {}
      fields.each { |field| fields_option[symbolized_key(field)] = value }
      clone.tap { |query| query.options[:fields] = fields_option }
    end
Private