export declare class DynamicVariableResolver {
    /** Cache for dotenv values */
    private dotenvCache;
    /** Base path for .env file lookup */
    private dotenvPath;
    /**
     * Resolve all dynamic variables in a string
     */
    resolve(content: string): string;
    /**
     * Set the base directory for .env file lookup
     */
    setDotenvPath(basePath: string): void;
    /**
     * Clear all caches
     */
    clearCache(): void;
    /**
     * Resolve a single dynamic variable
     */
    private resolveVariable;
    /**
     * Generate a UUID v4
     */
    private generateGuid;
    /**
     * Generate Unix timestamp (seconds since epoch)
     */
    private generateTimestamp;
    /**
     * Generate random integer
     */
    private generateRandomInt;
    /**
     * Generate datetime string
     */
    private generateDatetime;
    /**
     * Format UTC datetime
     */
    private formatDatetime;
    /**
     * Format local datetime
     */
    private formatLocalDatetime;
    /**
     * Format date with custom format string
     * Supports: YYYY, MM, DD, HH, mm, ss, SSS
     */
    private formatCustomDate;
    /**
     * Apply time offset to a date
     */
    private applyOffset;
    /**
     * Resolve $dotenv variable
     */
    private resolveDotenv;
    /**
     * Resolve $processEnv variable
     */
    private resolveProcessEnv;
    /**
     * Load and parse .env file
     */
    private loadDotenv;
    /**
     * Parse .env file content
     */
    private parseDotenvContent;
}