import { Response } from "express";
import { SecurityEvent } from "../../../types/types.express.middleware";
/**
 * Applies secure headers to responses
 */
export declare function applySecureHeaders(res: Response): void;
/**
 * Generates a unique request ID
 */
export declare function generateRequestId(): string;
/**
 * Sanitizes output data to prevent information leakage
 */
export declare function sanitizeOutputData(data: string): string;
/**
 * Generates timeline data for the security report
 */
export declare function generateTimelineData(events: SecurityEvent[], days: number): Array<{
    date: string;
    blocks: number;
    warnings: number;
    suspicious: number;
}>;
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