def _qualified_key(self, key):
        """
        Prepends the configured prefix to the key (if applicable).

        For Consul we also lstrip any '/' chars from the prefixed key.

        :param key: The unprefixed key.
        :return: The key with any configured prefix prepended.
        """
        fq_key = super(Reader, self)._qualified_key(key)
        return fq_key.lstrip('/')
Prepends the configured prefix to the key (if applicable).

        For Consul we also lstrip any '/' chars from the prefixed key.

        :param key: The unprefixed key.
        :return: The key with any configured prefix prepended.