import { InjectionToken } from '@angular/core';
import { SpanExporter } from '@opentelemetry/sdk-trace-base';
/**
 * Exporter interface to define a default exporter
 */
export interface IExporter {
    /**
     * give an inmplementation of SpanExporter
     *
     * @return SpanExporter
     */
    getExporter(): SpanExporter;
}
/** injection for a Exporter */
export declare const OTEL_EXPORTER: InjectionToken<IExporter>;