import type { SessionTraceItem } from "../../../lib/session/types.js";
export interface SessionTimelineProps {
    /** The session's traces (rendered in start-time order regardless of input order). */
    items: SessionTraceItem[];
    selectedId: string | null;
    onSelect: (id: string) => void;
    /** ns → label for the row timestamp. Default ISO datetime. */
    formatTimestamp?: (ns: bigint) => string;
    /** USD cost formatter. Default `$0.0000`. */
    formatCostUsd?: (usd: number) => string;
    /** Row count at/above which the virtualized path engages. Default 200. */
    virtualizeThreshold?: number;
    className?: string;
    "aria-label"?: string;
}
/**
 * SessionTimeline — a temporal replay of a session: one row per trace, sorted by start time, each
 * showing the timestamp, name, a duration bar relative to the session window (via the trace-core
 * `computeBarLayout`), status, and cost. Controlled selection; virtualizes above the threshold.
 * Escaped text only.
 */
export declare function SessionTimeline({ items, selectedId, onSelect, formatTimestamp, formatCostUsd, virtualizeThreshold, className, "aria-label": ariaLabel, }: SessionTimelineProps): import("react").JSX.Element;