import type { JSONValue } from "replicache";
import type { Storage } from "replicache-transaction";
import type { Executor } from "./pg.js";
export declare class PostgresStorage implements Storage {
    private _spaceID;
    private _version;
    private _executor;
    constructor(spaceID: string, version: number, executor: Executor);
    putEntry(key: string, value: JSONValue): Promise<void>;
    hasEntry(key: string): Promise<boolean>;
    getEntry(key: string): Promise<JSONValue | undefined>;
    getEntries(fromKey: string): AsyncIterable<readonly [string, JSONValue]>;
    delEntry(key: string): Promise<void>;
}