code: public String toJsonP(final String callback, final Object data) {
          synchronized (lock) {
              try {
                  return callback + "(" + stringify((JsonNode) mapper.valueToTree(data)) + ");";
              } catch (Exception e) {
                  throw new RuntimeException(e);
              }
          }
      }
docs: Gets the JSONP response for the given callback and value.
  
  @param callback the callback name
  @param data     the data to transform to json
  @return the String built as follows: "callback(json(data))"