/**
 * Bridges `AggregateDeviceSource` changes onto the shared `EventBus`'s device
 * categories (design.md D1; specs/realtime-events "Event Categories"; tasks
 * 7.4, 7.5).
 *
 * `AggregateDeviceSource.subscribe()` only signals a device that changed —
 * never an explicit removal — so every notification also reconciles the
 * tracked snapshot against a fresh `list()`, emitting `device_disappeared`
 * for anything that dropped out. This is the same generic strategy
 * `DeviceCatalogSource` (`src/core/services/homekit-sources/`) uses for
 * HomeKit accessory removal, applied here for the SSE stream instead.
 *
 * A device notified for the first time since wiring emits `device_appeared`
 * with its full descriptor; a device already tracked emits `device_state`
 * (only the properties that changed) and/or `device_reachability`, so a
 * single device change never resends the inventory.
 */
import type { EventBus } from "../events/event-bus.js";
import type { AggregateDeviceSource } from "./aggregate.js";
/**
 * Wires every device change from `devices` onto `eventBus`'s `device_state`,
 * `device_reachability`, `device_appeared`, and `device_disappeared`
 * categories. Returns an unsubscribe function.
 *
 * Seeds its tracked snapshot from `devices.list()` at call time, so devices
 * already known when this is wired do not themselves emit a spurious
 * `device_appeared` — only a device that becomes known, or changes, after
 * this call does.
 */
export declare function wireDeviceEvents(devices: AggregateDeviceSource, eventBus: EventBus): () => void;
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