import { LogLevel } from './level';
import { Logger, Sink } from './logger';
export { LogLevel } from "./level";
export * from "./logger";
/**
 * Override the default log level determination logic.
 *
 * Log levels are cached.
 * Call it at the very beginning of the app for it to be effective.
 *
 * Return `undefined` from the `cb` to fall back to the standard logic.
 */
export declare function setLogLevelCallback(cb?: (ns: string) => LogLevel | undefined): void;
/**
 * Use custom log sink
 */
export declare function setRootSink(sink: Sink): void;
export declare function createLogger(ns: string, attributes?: object): Logger;
export interface PinoLikeLogger {
    trace(obj: unknown, msg?: string): void;
    debug(obj: unknown, msg?: string): void;
    info(obj: unknown, msg?: string): void;
    warn(obj: unknown, msg?: string): void;
    error(obj: unknown, msg?: string): void;
    fatal(obj: unknown, msg?: string): void;
}
/**
 * Creates Pino logger sink that can be later used in setRootSink
 */
export declare function createPinoSink(pinoLogger: PinoLikeLogger): Sink;
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