import { type SubscriptionUsageProvider, type SubscriptionUsageSnapshot } from "@kenkaiiii/gg-core";
import type { AuthStorage } from "../core/auth-storage.js";
export type UsageResult = (SubscriptionUsageSnapshot & {
    connected: true;
    error?: never;
    stale?: boolean;
}) | {
    provider: SubscriptionUsageProvider;
    displayName: string;
    connected: boolean;
    windows: [];
    fetchedAt: number;
    error?: string;
    stale?: boolean;
};
/** Daemon-level subscription-usage fetcher with caching, 429 backoff and last-good replay. */
export declare function createUsageService(auth: AuthStorage): {
    subscriptionUsage: (provider: SubscriptionUsageProvider) => Promise<UsageResult>;
};