import { type MutationHint } from "../chat/types.js";
import { type DrizzleExecutor } from "../drizzle.js";
/**
 * Detaches one document from one channel by deleting only its
 * `documentChannelAttachments` row and advancing `documents.updatedAt`; document content
 * and update history remain intact. The owner may always detach, while another actor must
 * be able to post to that attached channel; every denied or absent relation is `not_found`
 * so attachment is not probeable. The transaction records `document.detached` for list reconciliation.
 */
export declare function documentDetach(executor: DrizzleExecutor, input: {
    actorUserId: string;
    documentId: string;
    chatId: string;
}): Promise<{
    documentId: string;
    chatId: string;
    hint: MutationHint;
}>;
//# sourceMappingURL=documentDetach.d.ts.map