import type { Span } from 'effect/Tracer';
import type { PrettyPrintOptions } from './../../../types/index.js';
type SpansAsTimeline = {
    message: string;
    stack: string[];
};
export declare const formatSpansAsTimeline: (span: Span | undefined, { stripCwd }: PrettyPrintOptions) => SpansAsTimeline;
export {};