import { Pool } from 'pg';
import { OAuthRegisteredClientsStore } from '@modelcontextprotocol/sdk/server/auth/clients.js';
import { OAuthClientInformationFull } from '@modelcontextprotocol/sdk/shared/auth.js';
import { MerchantKeys } from './clients.js';
export declare class PgClientsStore implements OAuthRegisteredClientsStore {
    private pool;
    constructor(pool: Pool);
    getClient(clientId: string): Promise<OAuthClientInformationFull | undefined>;
    registerClient(client: Omit<OAuthClientInformationFull, 'client_id' | 'client_id_issued_at'>): Promise<OAuthClientInformationFull>;
    setMerchantKeys(clientId: string, keys: MerchantKeys): Promise<void>;
    getMerchantKeys(clientId: string): Promise<MerchantKeys | undefined>;
}