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: bench.rb
    path of file: ./repos/rpush/bm
    
    the code of the file until where you have to start completion: ENV['RAILS_ENV'] = 'test'

require 'benchmark'
requir
    
  def with_profile(name, &blk)
    if ENV['PROFILE']
      mode = :wall
      out = "tmp/stackprof-#{mode}-#{name}.dump"
      @profiles << out
      StackProf.run(mode: mode, out: out, &blk)
    else
      blk.call
    end