import { Span } from 'opentracing';
interface ILog {
    event: string;
    span: Span;
    description?: string;
    error?: Error;
    phase?: IPhase;
}
export interface IPhase {
    start: number | null;
    name: string;
    end: number | null;
}
declare const log: ({ event, span, description, error, phase }: ILog) => void;
export default log;