export declare const MERCURY_MIGRATION_BACKUP_DIRNAME = "mercury-migration-backup";
export declare const MERCURY_MIGRATION_REPORTS_DIRNAME = "mercury-migration-reports";
export declare const MERCURY_PREVIEW_REPORT_FILENAME = "mercury-migration-preview.txt";
export declare const MIGRATION_REPORT_FILENAME = "migration-report.txt";
export declare const PRIMITIVE_TOKENS_REPORT_FILENAME = "mercury-primitive-report.txt";
/**
 * Escapes special regex characters in a string
 */
export declare function escapeRegex(string: string): string;
/**
 * Creates a regex pattern to match var(--token) without fallback
 */
export declare function createTokenVarPattern(token: string): RegExp;
export declare const MIGRATION_FILE_EXTENSIONS: string[];
export declare const MIGRATION_EXCLUDE_DIRS: string[];