import { IncomingMessage, ServerResponse } from 'http';
export declare class StaticFileHandler {
    private cache;
    private rootDir;
    private indexPath;
    constructor(rootDir: string, cacheSize?: number, indexPath?: string);
    private sanitizePath;
    private getFileInfo;
    private generateETag;
    private shouldCompressFile;
    private sendError;
    private handleFileRequest;
    private compressContent;
    handleRequest(req: IncomingMessage, res: ServerResponse): Promise<void>;
    clearCache(): void;
    getCacheStats(): {
        size: number;
        count: number;
        maxSize: number;
    };
}
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