@classmethod
def get_configuration_for_impersonation(cls, uri, impersonate_user, username):
    """
        Return a configuration dictionary that can be merged with other configs
        that can set the correct properties for impersonating users
        :param uri: URI string
        :param impersonate_user: Bool indicating if impersonation is enabled
        :param username: Effective username
        :return: Dictionary with configs required for impersonation
        """
    return {}
