interface DrainState {
    draining: boolean;
    started_at?: string;
    signal?: string;
}
export declare function isDraining(): boolean;
export declare function startDrainMode(signal?: string): void;
export declare function getDrainState(): DrainState;
export declare function clearDrainModeForTests(): void;
export declare function waitForClaudeDrain(timeoutMs: number, pollMs?: number): Promise<boolean>;
export {};
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