# File lib/thinking_sphinx/configuration.rb, line 84
  def preload_indices
    @@mutex.synchronize do
      return if @preloaded_indices

      index_paths.each do |path|
        Dir["#{path}/**/*.rb"].sort.each do |file|
          ActiveSupport::Dependencies.require_or_load file
        end
      end

      normalise
      verify

      @preloaded_indices = true
    end
  end