new

# File activesupport/lib/active_support/notifications/instrumenter.rb, line 50
      def initialize(name, start, ending, transaction_id, payload)
        @name           = name
        @payload        = payload.dup
        @time           = start
        @transaction_id = transaction_id
        @end            = ending
        @children       = []
        @duration       = nil
      end