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: dsl.rb
    path of file: ./repos/runfile/lib/runfile/concerns
    
    the code of the file until where you have to start completion: module Runfile
  module DSL
    # Commands

    def action(name = nil, shortcut = nil, &block)
      current_action.block = 
    
    def action(name = nil, shortcut = nil, &block)
      current_action.block = block
      current_action.name = name.to_s
      current_action.shortcut = shortcut.to_s if shortcut
      current_action.host = self
      finalize_current_action name.to_s
    end