abort

# File actionpack/lib/action_dispatch/http/response.rb, line 396
    def abort
      if stream.respond_to?(:abort)
        stream.abort
      elsif stream.respond_to?(:close)
        # `stream.close` should really be reserved for a close from the other direction,
        # but we must fall back to it for compatibility.
        stream.close
      end
    end