class Middleman::PreviewServer::ServerInformationCallbackProxy

modify these information.
All information is “duped” and the callback is not meant to be used to
* site_addresses
* server name
* port
* listeners
This class wraps server information to be used in call back

def initialize(server_information) 

def initialize(server_information)
  @listeners = ServerUrl.new(
    hosts: server_information.listeners,
    port: server_information.port,
    https: server_information.https?,
    format_output: false
  ).to_bind_addresses
  @port           = server_information.port
  @server_name    = server_information.server_name.dup unless server_information.server_name.nil?
  @site_addresses = ServerUrl.new(
    hosts: server_information.site_addresses,
    port: server_information.port,
    https: server_information.https?,
    format_output: false
  ).to_urls
end