/**
 * Normalize an error message by stripping variable parts:
 * line numbers, timestamps, hex addresses, UUIDs, temp paths.
 */
export declare function normalizeMessage(message: string): string;
/**
 * Generate a fingerprint for dedup: SHA-256(error_type + normalized_message).
 */
export declare function generateFingerprint(errorType: string, errorMessage: string): string;
/**
 * In-memory deduplication cache with TTL.
 */
export declare class DedupCache {
    private cache;
    has(fingerprint: string): boolean;
    add(fingerprint: string): void;
    private cleanup;
}
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