module DRb

def self.const_missing(name) # :nodoc:
  case name
  when :WeakIdConv
    warn("DRb::WeakIdConv is deprecated. " +
         "You can use the DRb::DRbIdConv. " +
         "You don't need to use this.",
         uplevel: 1)
    const_set(:WeakIdConv, DRbIdConv)
    singleton_class.remove_method(:const_missing)
    DRbIdConv
  else
    super
  end
end