def METHOD_NAME(self,path):
    """
    Fetches the object at a given path.
    Returns None if the path does not exist.
    """
    idx = path.find("/")
    if idx > 0:
        lpath = path[:idx]
        if lpath in list(self._value.keys()):
            rpath = path[idx+1:]
            tree = self._value[lpath]
            return tree.METHOD_NAME(rpath)
        return None
    elif path in list(self._value.keys()):
        return self._value[path]
    else:
        return None