import type { LogLevel, LoggerConfig } from '../types/vroom.types';
export declare class Logger {
    private readonly namespace;
    readonly level: LogLevel;
    private readonly handler?;
    constructor(namespace: string, level: LogLevel, handler?: LoggerConfig['handler']);
    debug(message: string, context?: unknown): void;
    info(message: string, context?: unknown): void;
    warn(message: string, context?: unknown): void;
    error(message: string, context?: unknown): void;
    /** Derive a scoped logger; appends `:subNamespace` to the parent namespace. */
    child(subNamespace: string): Logger;
    private write;
}
export declare function createLogger(config?: LoggerConfig): Logger;
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