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// -------------------------------------------------------------------------------------------------
// Copyright (C) 2015-2026 Nautech Systems Pty Ltd. All rights reserved.
// https://nautechsystems.io
//
// Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
// You may not use this file except in compliance with the License.
// You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// -------------------------------------------------------------------------------------------------
//! Transport abstraction layer for WebSocket backends.
//!
//! Defines the backend-agnostic surface that higher layers in `nautilus-network`
//! consume (the reconnecting client, auth tracker, subscription manager, Python
//! bindings, and adapter crates):
//!
//! - [`Message`]: neutral WebSocket message enum.
//! - [`TransportError`]: neutral error type.
//! - [`WsTransport`]: `Stream` plus `Sink` trait for backend implementations.
//!
//! The `tokio-tungstenite` backend is always compiled (its conversions and adapter
//! live in [`tungstenite`]). The `sockudo-ws` backend is gated behind the
//! `transport-sockudo` feature and lives in the `sockudo` submodule; when enabled
//! it can be selected at runtime via `WebSocketConfig.backend`.
pub use TransportError;
pub use ;
pub use ;