import { ILog, LogLevel, ILogEvent } from './log-types';
import { LogObserverService } from './log-observer.service';
export declare class LogService implements ILog {
    private logObserver;
    private _ns;
    constructor(logObserver: LogObserverService);
    namespace: string;
    logDeferred(level: LogLevel, action: ILogEvent): void;
    group(label: string): void;
    groupCollapsed(label: string): void;
    groupEnd(): void;
    log(arg: string, obj?: any, level?: LogLevel): void;
    debug(arg: string, obj?: any, level?: LogLevel): void;
    info(arg: string, obj?: any, level?: LogLevel): void;
    warn(arg: string, obj?: any, level?: LogLevel): void;
    error(arg: string, obj?: any, level?: LogLevel): void;
    fatal(arg: string, obj?: any, level?: LogLevel): void;
}