def next_item
      return nil unless more_items?
      return response.cursor if response.respond_to?(:cursor)
      response.offset + response.limit
    rescue StandardError
      nil
    end
def next_item
      return nil unless more_items?
      return response.cursor if response.respond_to?(:cursor)
      response.offset + response.limit
    rescue StandardError
      nil
    end
On paginated output, the offset of the next item, or nil. For
 classes which use a cursor rather than an offset (Source),
 that.
 @return [Integer,String,Nil]