import { OAuthRegisteredClientsStore } from '@modelcontextprotocol/sdk/server/auth/clients.js';
import { OAuthClientInformationFull } from '@modelcontextprotocol/sdk/shared/auth.js';
export interface MerchantKeys {
    publicKey: string;
    secretKey: string;
}
/**
 * In-memory OAuth client registration store with merchant key storage.
 * For production use, replace with a persistent store (database, Redis, etc.).
 */
export declare class InMemoryClientsStore implements OAuthRegisteredClientsStore {
    private clients;
    private merchantKeys;
    getClient(clientId: string): OAuthClientInformationFull | undefined;
    registerClient(client: Omit<OAuthClientInformationFull, 'client_id' | 'client_id_issued_at'>): OAuthClientInformationFull;
    setMerchantKeys(clientId: string, keys: MerchantKeys): void;
    getMerchantKeys(clientId: string): MerchantKeys | undefined;
}