import { RunConfig } from '../types/artifact.js';
import { FailureRecord } from '../types/failure.js';
export interface CaptureResult {
    failure: FailureRecord;
    stdout: string;
    stderr: string;
    /** Temp file paths (cleaned up after result is consumed) */
    _stdoutPath?: string;
    _stderrPath?: string;
}
/**
 * Spawns the command, streams output to temp files, and produces a FailureRecord.
 *
 * Streaming approach:
 *   - stdout/stderr are written to temp files (no memory cap)
 *   - SHA-256 hash is computed incrementally as data flows
 *   - Only the last 20 lines of stderr are kept in memory for snippet display
 *   - Memory usage stays constant regardless of output size
 */
export declare function executeAndCapture(config: RunConfig): Promise<CaptureResult>;
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