code: public org.jmxtrans.agent.util.json.JsonValue get(String name) {
      if (name == null) {
        throw new NullPointerException("name is null");
      }
      int index = indexOf(name);
      return index != -1 ? values.get(index) : null;
    }
docs: Returns the value of the member with the specified name in this object. If this object contains
  multiple members with the given name, this method will return the last one.
  
  @param name
  the name of the member whose value is to be returned
  @return the value of the last member with the specified name, or <code>null</code> if this
  object does not contain a member with that name