import type { AuditEvidence, CodeSnapshot, Finding, FixType } from '../types.js';
/**
 * Generate SHA256 hash of file content
 */
export declare function hashContent(content: string): string;
/**
 * Extract code snapshot with context lines
 */
export declare function extractCodeSnapshot(lines: string[], lineNumber: number, contextSize?: number): CodeSnapshot;
/**
 * Create audit evidence for a fix
 */
export declare function createEvidence(finding: Finding, filePath: string, contentBefore: string, contentAfter: string, lineNumber: number, fixType: FixType): Promise<AuditEvidence>;
/**
 * Generate a hash for the entire audit trail (for verification)
 */
export declare function generateAuditTrailHash(evidence: AuditEvidence[]): string;
/**
 * Read file and compute hash
 */
export declare function getFileWithHash(filePath: string): Promise<{
    content: string;
    hash: string;
}>;
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