export declare class PathValidator {
    private static ALLOWED_DIRECTORIES;
    private static ALLOWED_EXTENSIONS;
    static initialize(personasDir: string, allowedExtensions?: string[]): void;
    static validatePersonaPath(userPath: string): Promise<string>;
    static safeReadFile(filePath: string): Promise<string>;
    static safeWriteFile(filePath: string, content: string): Promise<void>;
}
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