code: @Override
      public ResponseStubbing thenRespond() {
          final MutableStubResponse response = new MutableStubResponse();
          
          response.addHeaders(defaultHeaders);
          response.setStatus(defaultStatus);
          response.setEncoding(defaultEncoding);
          response.setBody("");
          
          stubResponses.add(response);
          return this;
      }
docs: {@inheritDoc}