# File lib/execjs/external_runtime.rb, line 90
    def initialize(options)
      @name        = options[:name]
      @command     = options[:command]
      @runner_path = options[:runner_path]
      @test_args   = options[:test_args]
      @test_match  = options[:test_match]
      @encoding    = options[:encoding]
      @binary      = nil
    end