/**
 * Security utilities for ARK CLI
 */
export declare class SecurityUtils {
    /**
     * Validate that a path is safe and doesn't contain directory traversal attempts
     */
    static validatePath(filePath: string, context?: string): void;
    /**
     * Ensure a directory path is safe to create/write to
     */
    static validateOutputPath(outputPath: string, baseDir: string): void;
    /**
     * Sanitize file names to prevent issues
     */
    static sanitizeFileName(fileName: string): string;
    /**
     * Validate template content to prevent code injection
     */
    static validateTemplateContent(content: string, templatePath: string): void;
    /**
     * Safely create directories with proper permissions
     */
    static createDirectorySafe(dirPath: string, baseDir: string): Promise<void>;
    /**
     * Safely write files with proper permissions
     */
    static writeFileSafe(filePath: string, content: string, baseDir: string): Promise<void>;
    /**
     * Validate environment variables for safety
     */
    static sanitizeEnvironmentValue(value: string, varName: string): string;
    /**
     * Validate API keys and secrets
     */
    static validateSecret(secret: string, secretType: string): void;
}