import type { TruncationResult } from './types.js';
export declare const MAX_PASSTHROUGH = 2048;
/**
 * Four-tier truncation cascade:
 * T1: JSON schema extraction
 * T2: Pattern matching (test output, diff, npm)
 * T3: Head/Tail slicing
 * T4: SHA256 hash (binary content)
 */
export declare function truncate(content: string, aggressive?: boolean): TruncationResult;
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