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: get_application_list.rb
    path of file: ./repos/metasploit-framework/scripts/meterpreter
    
    the code of the file until where you have to start completion: ##
# WARNING: Metasploit no longer maintains or accepts meterpreter scripts.
# If you'd like to improve th
    
def app_list
  tbl = Rex::Text::Table.new(
    'Header'  => "Installed Applications",
    'Indent'  => 1,
    'Columns' => [
      "Name",
      "Version"
    ])
  appkeys = ['HKLM\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall',
    'HKCU\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall' ]
  threadnum = 0
  a = []
  appkeys.each do |keyx86|
    soft_keys = registry_enumkeys(keyx86)
    if soft_keys
      soft_keys.each do |k|
        if threadnum < 10
          a.push(::Thread.new {
              begin
                dispnm = registry_getvaldata("#{keyx86}\\#{k}","DisplayName")
                dispversion = registry_getvaldata("#{keyx86}\\#{k}","DisplayVersion")
                if dispnm =~ /\S*/
                  tbl << [dispnm,dispversion]
                end
              rescue
              end
            })
          threadnum += 1
        else
          sleep(0.05) and a.delete_if {|x| not x.alive?} while not a.empty?
          threadnum = 0
        end