export declare function extractUserInputLines(jsonFile: string): Promise<string[]>;
export declare function calculateActiveExecutionTime(jsonFile: string, inputWaitThreshold?: bigint): Promise<bigint>;
interface CaptureResult {
    exitCode: number | null;
    outputFile: string;
    outputSize: number;
    truncated?: boolean;
    error?: string;
}
interface CaptureHandle {
    promise: Promise<CaptureResult>;
    kill: () => void;
}
interface OutputCaptureOptions {
    outputDirectory?: string;
    maxOutputSize?: number;
}
export declare class OutputCaptureService {
    private readonly options;
    private defaultMaxSize;
    constructor(options?: OutputCaptureOptions);
    captureCommandWithHandle(command: string, args: string[], prompt: string, outputPath: string): CaptureHandle;
    captureCommand(command: string, args: string[], prompt: string, outputPath: string): Promise<CaptureResult>;
    private _captureCommandInternal;
    cleanupOldOutputs(retentionDays?: number): Promise<void>;
}
export {};
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