export declare class Logger {
    private static instance;
    private logFile;
    private isVerbose;
    private constructor();
    private getLogDirectory;
    private ensureLogDirectory;
    static getInstance(): Logger;
    setVerbose(verbose: boolean): void;
    private writeToFile;
    private formatMessage;
    safeConsoleLog(message: string): void;
    safeConsoleError(message: string): void;
    info(message: string, data?: any): Promise<void>;
    success(message: string, data?: any): Promise<void>;
    warn(message: string, data?: any): Promise<void>;
    error(message: string, error?: any): Promise<void>;
    debug(message: string, data?: any): Promise<void>;
    verbose(message: string, data?: any): Promise<void>;
    command(command: string, args?: string[]): Promise<void>;
    network(message: string, data?: any): Promise<void>;
    fs(message: string, data?: any): Promise<void>;
    process(message: string, data?: any): Promise<void>;
    clearLogFile(): Promise<void>;
    getLogFilePath(): string;
    appendSystemInfo(): Promise<void>;
    logCall(functionName: string, args?: any[]): Promise<void>;
    logReturn(functionName: string, result?: any): Promise<void>;
    logException(functionName: string, error: any): Promise<void>;
    logDatabaseOperation(operation: string, query?: string, params?: any[]): Promise<void>;
    logServerRequest(method: string, url: string, body?: any): Promise<void>;
    logServerResponse(status: number, url: string, responseTime?: number): Promise<void>;
}