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: lsa_transnames_heap.rb
    path of file: ./repos/metasploit-framework/modules/exploits/solaris/samba
    
    the code of the file until where you have to start completion: ##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitMod
    
  def lsa_open_policy(dcerpc, server="\\")
    stubdata =
      # Server
      NDR.uwstring(server) +
      # Object Attributes
        NDR.long(24) + # SIZE
        NDR.long(0)  + # LSPTR
        NDR.long(0)  + # NAME
        NDR.long(0)  + # ATTRS
        NDR.long(0)  + # SEC DES
          # LSA QOS PTR
          NDR.long(1)  + # Referent
          NDR.long(12) + # Length
          NDR.long(2)  + # Impersonation
          NDR.long(1)  + # Context Tracking
          NDR.long(0)  + # Effective Only
      # Access Mask
      NDR.long(0x02000000)

    res = dcerpc.call(6, stubdata)

    dcerpc.last_response.stub_data[0,20]
  end