import { type DrizzleExecutor } from "../drizzle.js";
/**
 * Reports whether current access and sidebar ancestry allow one chat to appear in a user's sync difference.
 * Walking nested channels to a listed ancestor preserves reactivity without letting later descendant activity resurrect a channel the user departed.
 */
export declare function chatCanSync(executor: DrizzleExecutor, userId: string, chatId: string): Promise<boolean>;
//# sourceMappingURL=chatCanSync.d.ts.map