ObjectMapper objectMapper = new ObjectMapper();
try {
ObjectNode modelNode = (ObjectNode) objectMapper.readTree(model.getMetaInfo());
modelNode.put(ModelDataJsonConstants.MODEL_ID, model.getId());
modelNode.replace(MODEL_DATA_JSON_MODEL,
objectMapper.readTree(repositoryService.getModelEditorSource(model.getId())));
os.write(modelNode.toString().getBytes());
} catch (IOException e) {
LOG.error("While exporting workflow definition {}", model.getKey(), e);