import { type ChatSummary, type MutationHint } from "./types.js";
import { type DrizzleExecutor } from "../drizzle.js";
/**
 * Upserts messageReceipts through the requested sequence, recomputes unread message counters, and advances the reader's chatMembers state.
 * One transaction prevents a receipt from becoming visible while the member badge or per-message delivery projection still reports the old unread range.
 */
export declare function chatMarkRead(executor: DrizzleExecutor, input: {
    actorUserId: string;
    chatId: string;
    messageId?: string;
}): Promise<{
    chat: ChatSummary;
    hint: MutationHint;
}>;
//# sourceMappingURL=chatMarkRead.d.ts.map