type LogLevel = 'DEBUG' | 'INFO' | 'WARN' | 'ERROR';
interface AppConfig {
    logLevel?: LogLevel;
}
export declare function getLogsDir(): string;
export declare function logToFile(level: LogLevel, message: string, data?: unknown, config?: AppConfig): void;
export declare function cleanupOldLogs(logsDir: string, retentionDays?: number): void;
export declare function sanitizeArgs(tool: string, args: Record<string, unknown>): Record<string, unknown>;
export declare function sanitizeContent(content: string): {
    sanitized: string;
    redactedCount: number;
    isTooSensitive: boolean;
};
export declare function isSensitiveFile(filePath: string): boolean;
export {};
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