import { LoggerService } from '@nestjs/common';
export declare class ZMmapLogger implements LoggerService {
    private buffer;
    private fd;
    private offset;
    private readonly maxSize;
    private readonly logFile;
    constructor(options?: {
        maxSize?: number;
        logDir?: string;
    });
    log(message: string, context?: string): void;
    error(message: string, trace?: string, context?: string): void;
    warn(message: string, context?: string): void;
    debug(message: string, context?: string): void;
    verbose(message: string, context?: string): void;
    /**
     * Write a log entry to the memory-mapped file
     */
    private writeLog;
    /**
     * Close the file descriptor when the logger is no longer needed
     */
    close(): void;
}
export declare function createZMmapLogger(options?: {
    maxSize?: number;
    logDir?: string;
}): ZMmapLogger;