import type { Writable } from 'node:stream';
export type LogLevel = 'error' | 'warn' | 'info' | 'debug';
export interface LoggerOptions {
    level?: LogLevel;
    json?: boolean;
    component?: string;
    scope?: string;
    destination?: Writable;
    minimal?: boolean;
    sink?: (record: LogRecord) => void;
}
export interface LogMeta {
    [key: string]: unknown;
}
export interface LogRecord extends LogMeta {
    timestamp: string;
    level: LogLevel;
    message: string;
    component?: string;
    scope?: string;
}
export declare class Logger {
    private readonly level;
    private readonly json;
    private readonly component?;
    private readonly scope?;
    private readonly stream;
    private readonly minimal;
    private readonly sink?;
    constructor(options?: LoggerOptions);
    child(overrides: LoggerOptions): Logger;
    log(level: LogLevel, message: string, meta?: LogMeta): void;
    info(message: string, meta?: LogMeta): void;
    warn(message: string, meta?: LogMeta): void;
    error(message: string, meta?: LogMeta): void;
    debug(message: string, meta?: LogMeta): void;
    private shouldLog;
}
export declare function createLogger(options?: LoggerOptions): Logger;
export declare function normalizeLogLevel(input?: string | null): LogLevel;
export declare const logger: Logger;
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