code: public void setJsonPathTo(String path, Object value) {
          Object cleanValue = cleanupValue(value);
          String jsonPath = getPathExpr(path);
          String newContent = getPathHelper().updateJsonPathWithValue(content, jsonPath, cleanValue);
          content = newContent;
      }
docs: Update a value in a the content by supplied jsonPath
  @param path the jsonPath to locate the key whose value needs changing
  @param value the new value to set