"""Transport interface for AICC message passing."""

from __future__ import annotations

from typing import Any, Protocol, runtime_checkable


@runtime_checkable
class Transport(Protocol):
    """Pluggable transport for AICC messages.

    Implementations:
    - aicc.transport.in_process.InProcessTransport
    - aicc.transport.websocket.WebSocketClientTransport / WebSocketServer
    """

    async def connect(self) -> None: ...
    async def close(self) -> None: ...
    async def send(self, message: dict[str, Any]) -> None: ...
    async def receive(self) -> dict[str, Any]: ...