# File lib/rr/method_dispatches/method_missing_dispatch.rb, line 41
      def call_implementation
        if implementation_is_original_method?
          space.record_call(subject, method_name, args, block)
          double.method_call(args)
          call_original_method
        else
          if double_injection = Injections::DoubleInjection.find(subject_class, method_name)
            double_injection.bind_method
            # The DoubleInjection takes care of calling double.method_call
            subject.__send__(method_name, *args, &block)
          else
            nil
          end
        end
      end