def get(self, uri=None):
        if not uri:
            return self._values

        self._target_found = False

        def walk(_uri, values):
            segments = _uri.split('/', 1)

            if segments[0] not in values:

                def walker(_value):
                    if segments[0] in _value and len(segments) == 1:
                        self._target_found = True
                        return _value[segments[0]]
                    elif len(segments) == 1 and not isinstance(_value, dict):
                        return None

                    for key, _item in _value.items():
                        if segments[0] == key:
                            if len(segments) == 1:
                                self._target_found = True
                                return _item
                            else:
                                return walk(segments[1], _item)
                        else:
                            return walker(_item)
                values = walker(values)

            if self._target_found or not isinstance(values, dict):
                return values

            elif len(segments) == 1:
                if segments[0] in values:
                    return values[segments[0]]
                return None
            else:
                for item in values.values():
                    if isinstance(item, dict):
                        return walk(segments[1], item)

        return walk(uri, self._values)