def _call_dir(connection, **kwargs):
    """Function to return a list of ``gNMIclient`` available methods/operations"""
    methods = (list(dir(connection))) + ["dir", "help", "update", "delete", "replace"]
    result = sorted(
        [m for m in set(methods) if (not m.startswith("_") and not m.isupper())]
    )
    return result