import { IObservable, IDestroyable, ICancellation } from "../../interfaces";
import { TraceEvent } from "../TraceSource";
import { ConsoleWriter } from "../ConsoleWriter";
export declare class ConsoleLogger implements IDestroyable {
    private readonly _subscriptions;
    private readonly _writer;
    constructor(writer?: ConsoleWriter);
    writeEvents(source: IObservable<TraceEvent>, ct?: ICancellation): void;
    writeEvent(next: TraceEvent): void;
    destroy(): void;
}