export function createPersistence(postgresUrl: string, plugins: t.PersistencePlugin[]): Promise<Persistence>;
/**
 * A Persistence implementation that persists documents in PostgreSQL.
 */
export class Persistence {
    /**
     * @param {postgres.Sql} sql
     * @param {t.PersistencePlugin[]} plugins
     */
    constructor(sql: postgres.Sql, plugins: t.PersistencePlugin[]);
    sql: postgres.Sql<any>;
    /**
     * @type {t.PersistencePlugin[]}
     */
    plugins: t.PersistencePlugin[];
    /**
     * @param {t.Room} room
     * @param {object} content
     * @param {string} content.lastClock
     * @param {Uint8Array<ArrayBuffer>} content.gcDoc
     * @param {Uint8Array<ArrayBuffer>} content.nongcDoc
     * @param {Uint8Array<ArrayBuffer>} content.contentmap
     * @param {Uint8Array<ArrayBuffer>} content.contentids
     * @returns {Promise<void>}
     */
    store(room: t.Room, { lastClock, gcDoc, nongcDoc, contentmap, contentids }: {
        lastClock: string;
        gcDoc: Uint8Array<ArrayBuffer>;
        nongcDoc: Uint8Array<ArrayBuffer>;
        contentmap: Uint8Array<ArrayBuffer>;
        contentids: Uint8Array<ArrayBuffer>;
    }): Promise<void>;
    /**
     * @param {t.Room} room
     * @return {Promise<Y.ContentMap>}
     */
    retrieveContentmap(room: t.Room): Promise<Y.ContentMap>;
    /**
     * @template {{ gc?: boolean, nongc?: boolean, contentmap?: boolean, references?: boolean, contentids?: boolean }} Include
     * @param {t.Room} room
     * @param {Include} includeContent
     * @return {Promise<{ lastClock: string, gcDoc: Include['gc'] extends true ? Array<Uint8Array<ArrayBuffer>> : null, nongcDoc: Include['nongc'] extends true ? Array<Uint8Array<ArrayBuffer>> : null, contentmap: Include['contentmap'] extends true ? Array<Uint8Array<ArrayBuffer>> : null, references: Include['references'] extends true ? Array<{ assetId: t.AssetId, asset: t.Asset }> : null, contentids: Include['contentids'] extends true ? Array<Uint8Array<ArrayBuffer>> : null }>}
     */
    retrieveDoc<Include extends {
        gc?: boolean;
        nongc?: boolean;
        contentmap?: boolean;
        references?: boolean;
        contentids?: boolean;
    }>(room: t.Room, includeContent: Include): Promise<{
        lastClock: string;
        gcDoc: Include["gc"] extends true ? Array<Uint8Array<ArrayBuffer>> : null;
        nongcDoc: Include["nongc"] extends true ? Array<Uint8Array<ArrayBuffer>> : null;
        contentmap: Include["contentmap"] extends true ? Array<Uint8Array<ArrayBuffer>> : null;
        references: Include["references"] extends true ? Array<{
            assetId: t.AssetId;
            asset: t.Asset;
        }> : null;
        contentids: Include["contentids"] extends true ? Array<Uint8Array<ArrayBuffer>> : null;
    }>;
    /**
     * @param {Array<{ assetId: t.AssetId, asset: t.Asset }>} references
     * @return {Promise<void>}
     */
    deleteReferences(references: Array<{
        assetId: t.AssetId;
        asset: t.Asset;
    }>): Promise<void>;
    destroy(): Promise<void>;
}
import * as t from './types.js';
import postgres from 'postgres';
import * as Y from '@y/y';
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