import { RedactService } from '../redact/redact.service.js';
export type LogLevel = 'error' | 'warn' | 'info' | 'debug';
type LogValue = unknown;
export declare class LoggerService {
    private readonly redactService;
    level: LogLevel;
    constructor(redactService: RedactService);
    log(message: LogValue, ...optionalParams: LogValue[]): void;
    error(message: LogValue, ...optionalParams: LogValue[]): void;
    warn(message: LogValue, ...optionalParams: LogValue[]): void;
    info(message: LogValue, ...optionalParams: LogValue[]): void;
    debug(message: LogValue, ...optionalParams: LogValue[]): void;
    isDebugEnabled(): boolean;
    isLevelEnabled(level: LogLevel): boolean;
    private write;
    private colorizeLevel;
    private formatValue;
    private stringify;
    private redactString;
}
export {};