import Metric from './Metric';
import { Emitter } from './MetricEmitter';
export default class LambdaMetricEmitter implements Emitter {
    private url;
    private logger;
    private events;
    private mutex;
    constructor(url: string, start?: boolean);
    private run;
    flush(): Promise<void>;
    flushAll(): Promise<void>;
    emit(metric: Metric, timeOverride?: Date): Promise<void>;
}