// =============================================================================
// Copyright (c) 2026 Haixing Hu.
//
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0.
// =============================================================================
// facade tests.
//! Rename publication state at the point of provider failure.
/// Stable rename state for recovery decisions; error text is not a state
/// protocol.
///
/// # Examples
///
/// ```rust
/// use qubit_fs::rename::RenameFailureState;
///
/// assert!(matches!(RenameFailureState::Unchanged, RenameFailureState::Unchanged));
/// ```