import type { FeishuCredentials } from "../channels/feishu/onboard.js";
/** What the caller gets back: a verdict, plus the API's own words on failure. */
export interface SubscriptionResult {
    status: "applied" | "failed";
    /** The API's `msg`/`code` or the thrown message, verbatim — never rewritten. */
    reason?: string;
}
/** The slice of the SDK client this module uses, so tests can hand in a stub. */
export interface ConfigPatchingClient {
    application: {
        v7: {
            applicationConfig: {
                patch(payload: {
                    data: {
                        event: {
                            subscription_type: "webhook" | "websocket";
                        };
                    };
                    path: {
                        app_id: string;
                    };
                }): Promise<{
                    code?: number;
                    msg?: string;
                } | null | undefined>;
            };
        };
    };
}
/** Builds the authenticated client for one app. Injectable for tests. */
export type AppConfigClientFactory = (credentials: FeishuCredentials) => ConfigPatchingClient;
/**
 * PATCH the app's event subscription to long-connection (WebSocket) mode.
 *
 * Never throws and never guesses: the endpoint's failure modes (a refusal for
 * this app's origin, a permission error, a network fault) all come back as
 * `{status: "failed", reason}` so the pane can print the API's own explanation.
 */
export declare function setEventSubscription(credentials: FeishuCredentials, deps?: {
    clientFactory?: AppConfigClientFactory;
}): Promise<SubscriptionResult>;
//# sourceMappingURL=app-config.d.ts.map