import Span from './Span';
import { AbstractReporter, ReporterConfiguration } from './interfaces';
export declare const defaultReporterConfig: ReporterConfiguration;
export default class Reporter implements AbstractReporter {
    private config;
    private traces;
    private isFlushing;
    private lastFlush;
    private isPending;
    private log;
    constructor(config: ReporterConfiguration);
    reportTrace(trace: Span): void;
    private requestFlush();
    flushIfNeeded(): Promise<void>;
    startFlush(): void;
    endFlush(): void;
    removeFromQueue(tracesToRemove: Span[]): void;
    forceFlush(): Promise<void>;
    flush(): Promise<void>;
    readonly sliceFromQueue: {
        traces: Span[];
    };
    readonly queueSizes: {
        traces: number;
    };
    readonly haveItemsToFlush: boolean;
}