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: project.rb
    path of file: ./repos/tmuxinator/lib/tmuxinator
    
    the code of the file until where you have to start completion: module Tmuxinator
  class Project
    include Tmuxinator::Util
    include Tmuxinator::Deprecations
    include Tmuxinator::Hooks::Project

    RBENVRVM_DEP_MSG
    
    def pre_window
      params = if rbenv?
                 "rbenv shell #{yaml['rbenv']}"
               elsif rvm?
                 "rvm use #{yaml['rvm']}"
               elsif pre_tab?
                 yaml["pre_tab"]
               else
                 yaml["pre_window"]
               end