import type { Finding } from '../types.js';
export interface ScanHistoryEntry {
    timestamp: string;
    date: string;
    complianceScore: number;
    severity: {
        critical: number;
        high: number;
        medium: number;
        low: number;
    };
    failedRuleIds: string[];
    totalFilesScanned: number;
}
export interface ScanComparison {
    previousScan?: ScanHistoryEntry;
    scoreChange: number;
    severityChanges: {
        critical: number;
        high: number;
        medium: number;
        low: number;
    };
    newIssues: string[];
    resolvedIssues: string[];
}
/**
 * Get the history directory path for a project
 */
export declare function getHistoryDir(projectPath: string): string;
/**
 * Ensure the history directory exists
 */
export declare function ensureHistoryDir(projectPath: string): Promise<void>;
/**
 * Generate filename for a scan history entry
 */
export declare function generateHistoryFilename(): string;
/**
 * Save scan results to history
 */
export declare function saveScanHistory(projectPath: string, score: number, findings: Finding[], scannedFiles: number): Promise<void>;
/**
 * Get the most recent scan history entry
 */
export declare function getMostRecentScan(projectPath: string): Promise<ScanHistoryEntry | null>;
/**
 * Get all scan history entries
 */
export declare function getAllScans(projectPath: string): Promise<ScanHistoryEntry[]>;
/**
 * Compare current scan with previous scan
 */
export declare function compareScan(currentScore: number, currentFindings: Finding[], previousScan: ScanHistoryEntry | null): ScanComparison;
/**
 * Format a date string from history filename format
 */
export declare function formatHistoryDate(dateStr: string): string;
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