import type { MemoryBlockScope, PersistentMemoryBlock, PersistentMemoryStore } from '@kuralle-agents/core';
import type { QueryResult } from 'pg';
type PostgresClient = {
    query: (text: string, params?: unknown[]) => Promise<QueryResult>;
};
export type PostgresPersistentMemoryStoreOptions = {
    client: PostgresClient;
    tableName?: string;
    autoMigrate?: boolean;
};
export declare class PostgresPersistentMemoryStore implements PersistentMemoryStore {
    private client;
    private table;
    private ready;
    constructor(options: PostgresPersistentMemoryStoreOptions);
    private init;
    loadBlock(scope: MemoryBlockScope, owner: string, key: string): Promise<PersistentMemoryBlock | null>;
    saveBlock(block: PersistentMemoryBlock, owner: string): Promise<void>;
    deleteBlock(scope: MemoryBlockScope, owner: string, key: string): Promise<void>;
    listBlocks(scope: MemoryBlockScope, owner: string): Promise<string[]>;
}
export {};