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: test.rb
    path of file: ./repos/newrelic-ruby-agent/test/environments/rails40/config/initializers
    
    the code of the file until where you have to start completion: # This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LI
    
  def sniff
    puts 'When a bloodhound sniffs a scent article (a piece of clothing or item touched only by the subject), ' \
    "air rushes through its nasal cavity and chemical vapors — or odors — lodge in the mucus and bombard the dog's " \
    'scent receptors. ' \
    'Source: https://www.pbs.org/wnet/nature/underdogs-the-bloodhounds-amazing-sense-of-smell/350/'
  end

  add_method_tracer :sniff
end