define

# File lib/bundler/plugin/events.rb, line 6
      def self.define(const, event)
        const = const.to_sym.freeze
        if const_defined?(const) && const_get(const) != event
          raise ArgumentError, "Attempting to reassign #{const} to a different value"
        end
        const_set(const, event) unless const_defined?(const)
        @events ||= {}
        @events[event] = const
      end