/**
 * This utility script helps to:
 *  1. Identify local changes to specific npm packages.
 *  2. Back up only the locally changed files to a backup folder for reference or debugging.
 *
 * Usage in 'Backup' mode:
 *   ts-node backup-node-mods.ts --backup
 *
 * Usage in 'Identify' mode (just highlights changes):
 *   ts-node backup-node-mods.ts
 */
declare const fs: any;
declare const path: any;
declare const readline: any;
declare const rootDir: any;
declare const NODE_MODULES_DIR: any;
declare const MODS_DIR: any;
declare const MODS_DIR_Clear: any;
declare const PACKAGE_FOLDERS: string[];
declare const TIME_DIFFERENCE_THRESHOLD: number;
declare var process: any;
declare let OPERATION_MODE: 'identify' | 'backup';
declare function logMessage(message: string, color: 'red' | 'yellow' | 'blue' | 'green'): void;
declare function promptForBackupConfirmation(): Promise<boolean>;
declare function getModifiedTime(filePath: string): number;
declare function copyFileWithMinimalStructure(src: string, dest: string): void;
declare function appendToLogFile(filePath: string, content: string): void;
declare function make2DigitNum(str: string): string;
declare function getFormattedDate(): string;
declare function clearBackupFolder(dir: string): void;
declare function findModifiedFiles(): Promise<void>;
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