import { Effect, Option, Schema as S, Scope } from 'effect';
import { type DevToolsStore } from './store.js';
type Hot = NonNullable<ImportMeta['hot']>;
/**
 * Start the browser-side WebSocket bridge that exposes a Foldkit runtime's
 * DevToolsStore to an external MCP server (via the Vite plugin relay).
 *
 * Emits `EventConnected` on startup so the relay tracks this runtime.
 * Listens on the request channel for `RequestFrame`s targeted at this
 * connection's id and replies with the matching `ResponseFrame`. Emits
 * `EventDisconnected` on tab close or HMR module dispose so the relay can
 * remove this runtime from its connected set.
 *
 * `dispatch` enqueues a Message into the runtime's message queue; the bridge
 * uses it to fulfill `RequestDispatchMessage` after decoding the payload
 * against a JSON-canonical derivation of `maybeMessageSchema` (via
 * `Schema.toCodecJson`). The derivation reconstructs runtime values like
 * `Option`, `Date`, `Map`, and `Set` from their JSON-tagged shapes, so
 * application Message Schemas using stdlib types Just Work over dispatch
 * without author-side changes. When `maybeMessageSchema` is `None`, dispatch
 * requests are rejected with an informative error.
 *
 * The bridge also derives a JSON Schema document from `maybeMessageSchema`
 * once at boot (via `Schema.toJsonSchemaDocument`) to fulfill
 * `RequestGetMessageSchema`, so MCP clients can discover the exact Message
 * shapes the runtime accepts without reading the application source. A few
 * AST nodes (symbol-keyed structs, symbol-indexed records, tuples with
 * post-rest elements) cause `Schema.toJsonSchemaDocument` to throw; the
 * derivation is guarded so a failure logs a warning and the schema-discovery
 * tool returns `None` rather than crashing the bridge.
 *
 * Production-safe: callers must check `import.meta.hot` is defined before
 * invoking this. The function assumes a live HMR connection.
 */
export declare const startWebSocketBridge: (store: DevToolsStore, hot: Hot, dispatch: (message: unknown) => Effect.Effect<void>, maybeMessageSchema: Option.Option<S.Codec<any, any>>) => Effect.Effect<void, never, Scope.Scope>;
export {};
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