You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: builder.rb
    path of file: ./repos/metasploit-framework/lib/msf/core/exploit/remote/java/rmi/client/jmx/server
    
    the code of the file until where you have to start completion: # -*- coding: binary -*-

module Msf
  class Exploit
    class Remote
      module Java
        module Rmi
          module Client
            module Jmx
              modu
    
                  def build_jmx_new_client(opts = {})
                    object_number = opts[:object_number] || 0
                    uid_number = opts[:uid_number] || 0
                    uid_time = opts[:uid_time] || 0
                    uid_count = opts[:uid_count] || 0
                    username = opts[:username]
                    password = opts[:password] || ''

                    if username
                      arguments = build_jmx_new_client_args(username, password)
                    else
                      arguments = [Rex::Java::Serialization::Model::NullReference.new]
                    end