import { InjectionToken } from '@angular/core';
export interface ILogger {
    debug(...v: unknown[]): void;
    info(...v: unknown[]): void;
    warn(...v: unknown[]): void;
    error(...v: unknown[]): void;
}
export interface ILoggerFactory {
    getLogger(name: string): ILogger;
}
export declare const LOGGER_FACTORY: InjectionToken<ILoggerFactory>;
export declare const loggerFactory: ILoggerFactory;