import type { Nullable } from '../../utilities/index.js';
import { type LogFacets, type LogLevel } from '../lib/types.js';
import VectorClock from '../lib/VectorClock.js';
export interface LoggerProps {
    level?: Nullable<LogLevel>;
    label?: Nullable<string>;
    correlationId?: Nullable<string>;
    facets?: Nullable<LogFacets>;
}
export default class Logger {
    protected readonly label: string | null;
    protected readonly level: LogLevel;
    protected readonly correlationId: string | null;
    protected readonly facets: LogFacets | null;
    protected readonly vectorClock: VectorClock;
    constructor(props?: LoggerProps);
    protected parseEnvLogLevel(): LogLevel | null;
    protected prepareChildProps(props: Nullable<LoggerProps>): LoggerProps;
    createChildLogger(props?: LoggerProps): Logger;
    createChildLoggerFor(obj: object, props?: LoggerProps): Logger;
    canLog(level: LogLevel): boolean;
    protected format(_level: LogLevel, _timestamp: number, _message: string, _facets?: Nullable<LogFacets>): string;
    protected write(level: LogLevel, stream: NodeJS.WritableStream, message: string, facets?: Nullable<LogFacets>): void;
    trace(message: string, facets?: Nullable<LogFacets>): void;
    debug(message: string, facets?: Nullable<LogFacets>): void;
    info(message: string, facets?: Nullable<LogFacets>): void;
    warn(message: string, facets?: Nullable<LogFacets>): void;
    error(err: unknown, message?: string, facets?: Nullable<LogFacets>): void;
}
//# sourceMappingURL=Logger.d.ts.map