/**
 * BigModel/Z.AI monitor-usage HTTP client (platform usage statistics).
 *
 * The monitor family lives on the same hosts and uses the same auth as the
 * quota endpoint (`client.ts`): the active provider's apiKey over the host
 * derived from its baseURL. Every endpoint answers the `{code, msg, success,
 * data}` envelope; classification (auth / rate-limit / empty) happens in the
 * consumer, `src/quota/platform-usage.ts`.
 */
/** Monitor endpoints this client serves. */
export type MonitorEndpoint = "/api/monitor/credit-usage/activity" | "/api/monitor/credit-usage/usage-detail" | "/api/monitor/usage/model-usage" | "/api/monitor/usage/tool-usage";
/** Raw response from a monitor endpoint, pre-classification. */
export interface MonitorResponse {
    status: number;
    json: unknown;
    text: string;
}
/**
 * Fetch one monitor endpoint for the active account.
 *
 * @throws if the active provider has no apiKey in config, or on network/timeout
 *         errors. The caller maps these to `unavailable`.
 */
export declare function fetchMonitorResponse(endpoint: MonitorEndpoint, search: Record<string, string>, fetchImpl?: typeof globalThis.fetch): Promise<MonitorResponse>;
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