/** Default funding-check cadence. */
export declare const DEFAULT_CREDIT_CHECK_INTERVAL_MS = 60000;
export interface CreditWatcherDeps {
    /** The run being watched (for correlation/logging). */
    runId: string;
    /** Resolves true while the org can keep spending; false once it's out of credit. Brokered
     *  (`RunnerControlClient.checkCredit` → `GET /credit`), so the runner never reads billing state directly. */
    isFunded: () => Promise<boolean>;
    /** Fired exactly once when the org is first seen to be out of credit. */
    onExhausted: () => void;
    intervalMs?: number;
}
export declare class CreditWatcher {
    private readonly deps;
    private timer;
    private firing;
    private exhausted;
    private stopped;
    constructor(deps: CreditWatcherDeps);
    /** Begin periodic funding checks. */
    start(): void;
    /** Stop checking and drain any in-flight check. Idempotent. */
    stop(): Promise<void>;
    /** Whether exhaustion was detected (the orchestrator may read this to shape the terminal result). */
    isExhausted(): boolean;
    /** True once the watcher should no longer act. A method (not an inline field read) so it's
     *  re-evaluated after an `await` — `stop()` can flip `stopped` mid-check. */
    private done;
    private check;
}