# File lib/vendor/darwin/lib/rb-fsevent/fsevent.rb, line 19
  def watch(watch_paths, options=nil, &block)
    @paths      = watch_paths.kind_of?(Array) ? watch_paths : [watch_paths]
    @callback   = block

    if options.kind_of?(Hash)
      @options  = parse_options(options)
    elsif options.kind_of?(Array)
      @options  = options
    else
      @options  = []
    end
  end