import { type DbExec } from "../db/client.js";
import type { AwarenessRow } from "./awareness.js";
export declare const collabAwarenessStore: import("../db/store-registry.js").Store;
export declare function ensureTable(): Promise<void>;
export declare function upsertAwarenessRow(docId: string, clientId: number, state: string, lastSeen: number): Promise<void>;
export declare function writeAwarenessRow(docId: string, clientId: number, state: string, lastSeen: number, clientSequence: number, cleared: boolean, actorEmail?: string | null, clearTokenHash?: string | null): Promise<boolean>;
export declare function deleteAwarenessRow(docId: string, clientId: number, maxLastSeen?: number): Promise<void>;
export declare function loadAwarenessRows(docId: string, now?: number): Promise<AwarenessRow[]>;
export declare function loadAwarenessRowsStrict(docId: string, now?: number): Promise<AwarenessRow[]>;
/**
 * Reads presence through `client`, such as an open transaction. A serverless
 * pool has one connection, so a read through `getDbExec()` while a transaction
 * holds it waits on that transaction. This doesn't create the table: read
 * presence once outside the transaction first.
 */
export declare function loadAwarenessRowsWith(client: DbExec, docId: string, now?: number): Promise<AwarenessRow[]>;
export declare function loadAwarenessClientSequence(docId: string, clientId: number): Promise<{
    clientSequence: number;
    clientSequenceRaw: number;
    cleared: boolean;
    actorEmail: string | null;
    lastSeen: number;
    clearTokenHash: string | null;
} | undefined>;
export declare function _resetAwarenessStoreForTests(): void;