# File lib/monkey/engine.rb, line 97
    def self.set_engine(engine, engine_version = nil)
      Object.send :remove_const, "RUBY_ENGINE"
      Object.const_set "RUBY_ENGINE", engine
      if engine_version
        Object.send :remove_const, "RUBY_ENGINE_VERSION"
        Object.const_set "RUBY_ENGINE_VERSION", engine_version
      end
    end