import type { SyncRequestContext } from './context.js';
/**
 * Decode and validate the request, then return the streaming response.
 * Request-validation failures (§1.7) throw `SyncError` here, before any
 * bytes are produced; adapters map them to HTTP JSON errors (§1.1).
 */
export declare function createSyncResponseStream(bytes: Uint8Array, ctx: SyncRequestContext): Promise<AsyncIterable<Uint8Array>>;
/** Byte-concatenating wrapper over the streaming core (§1.4). */
export declare function handleSyncRequest(bytes: Uint8Array, ctx: SyncRequestContext): Promise<Uint8Array>;