/**
 * Service for managing temporary log files
 */
export declare class TempFileService {
    private readonly tempDir;
    constructor(tempDir?: string);
    /**
     * Create a temporary file with the given content
     * @param content - File content
     * @param requestId - Request ID for the filename
     * @returns Path to the created file
     */
    createTempFile(content: string, requestId: string): Promise<string>;
    /**
     * Sanitize a string for use in a filename
     */
    private sanitizeFilename;
    /**
     * Clean up a temporary file
     */
    cleanup(filePath: string): Promise<void>;
    /**
     * Clean up old log files (older than specified hours)
     */
    cleanupOldFiles(maxAgeHours?: number): Promise<number>;
}
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