docs: @Override
      public void writeString(String text)
          throws IOException, JsonGenerationException
      {
          _verifyValueWrite("write text value");
          if (text == null) {
              _writeNull();
              return;
          }
          if (_outputTail >= _outputEnd) {
              _flushBuffer();
          }
          _outputBuffer[_outputTail++] = '"';
          _writeString(text);
          // And finally, closing quotes
          if (_outputTail >= _outputEnd) {
              _flushBuffer();
          }
          _outputBuffer[_outputTail++] = '"';
      }