export interface TraceSpan {
    id: string;
    name: string;
    startMs: number;
    durationMs: number;
    service?: string;
    status?: 'ok' | 'error' | 'unset';
    children?: TraceSpan[];
}
interface TraceWaterfallProps {
    spans?: TraceSpan[];
    selectedId?: string;
    class?: string;
    onselect?: (span: TraceSpan) => void;
}
declare const TraceWaterfall: import("svelte").Component<TraceWaterfallProps, {}, "selectedId">;
type TraceWaterfall = ReturnType<typeof TraceWaterfall>;
export default TraceWaterfall;