import { type HostedCall } from "../hostedCalls.js";
import { type Round } from "./rounds.js";
import type { TimelineSpan } from "./spans.js";
export type SpanRow = {
    kind: "span";
    id: string;
    depth: number;
    span: TimelineSpan;
};
export type RoundRow = {
    kind: "round";
    id: string;
    depth: number;
    round: Round;
};
/** A tool the provider ran inside `round`. The log records no time for it. */
export type HostedRow = {
    kind: "hosted";
    id: string;
    depth: number;
    round: Round;
    call: HostedCall;
};
export type TimelineRow = SpanRow | RoundRow | HostedRow;
export declare function timelineRows(spans: TimelineSpan[], rounds: Round[], traceId?: string): TimelineRow[];
export declare function rowIdFor(focusId: string, rows: TimelineRow[], rounds: Round[]): string | undefined;