import { IFetchOptions } from '@aller/express-opentracing/dist/interface/IFetchOptions';
import { IResponse } from '@aller/express-opentracing/dist/interface/IResponse';
import { Span, Tracer } from 'opentracing';
import { IPhase } from './log';
interface IComponentTracing {
    span: Span;
    parentSpan: Span;
    componentName: string;
    phase: IPhase;
}
export declare const createComponentSpan: (parentSpan: Span, componentName: string, tracer: Tracer) => IComponentTracing;
export declare const fetcher: (url: string, componentTracing: IComponentTracing, options?: IFetchOptions | undefined) => Promise<IResponse>;
export {};