/**
 * RFC 7591 dynamic client persistence.
 *
 * `OAuthManager.registerDynamicClient` previously kept clients in an in-memory
 * Map, so any process restart (Railway redeploy) invalidated every Claude
 * desktop / mobile / ChatGPT integration that had auto-registered via DCR.
 * Tokens persisted, but the *client_id* didn't — so refresh attempts failed
 * with "Unknown client_id" and clients re-ran the full OAuth flow.
 *
 * `ClientStore` mirrors `TokenStore`: SQLite for local/single-instance,
 * Supabase PostgREST for multi-instance / stateless deployments.  See
 * `scripts/supabase-oauth-clients.sql` for the migration.
 */
export interface StoredClient {
    clientId: string;
    redirectUris: string[];
    scopes: string[];
    createdAt: number;
}
export interface ClientStore {
    save(record: StoredClient): Promise<void>;
    find(clientId: string): Promise<StoredClient | null>;
    listAll(since?: number): Promise<StoredClient[]>;
}
export declare class LocalSQLiteClientStore implements ClientStore {
    private readonly db;
    constructor(storageLocation: string);
    save(record: StoredClient): Promise<void>;
    find(clientId: string): Promise<StoredClient | null>;
    listAll(since?: number): Promise<StoredClient[]>;
}
export declare class PostgresClientStore implements ClientStore {
    private readonly supabaseUrl;
    private readonly serviceRoleKey;
    constructor(supabaseUrl: string, serviceRoleKey: string);
    private authHeaders;
    private get baseUrl();
    save(record: StoredClient): Promise<void>;
    find(clientId: string): Promise<StoredClient | null>;
    listAll(since?: number): Promise<StoredClient[]>;
}
export declare function createClientStore(storageLocation: string): ClientStore;
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