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: danbooru_default_config.rb
    path of file: ./repos/danbooru/config
    
    the code of the file until where you have to start completion: # frozen_string_literal: true
#
# This file contains all th
    
    def log_level
      if ENV["RAILS_LOG_LEVEL"].present?
        ENV["RAILS_LOG_LEVEL"]
      elsif debug_mode
        :debug
      elsif Rails.env.production?
        :error
      elsif Rails.env.development?
        :info
      else
        :fatal
      end