import { type ReactNode } from "react";
import type { TraceSpan } from "../../../lib/trace/types.js";
/** Shared render context threaded to every row (kills per-node prop duplication). */
export interface SpanTreeRenderCtx {
    selectedId: string | null;
    collapsed: Set<string>;
    showMetrics?: boolean;
    bounds?: {
        startNs: bigint;
        endNs: bigint;
    };
    onSelect: (id: string) => void;
    onToggle: (id: string) => void;
    renderBadge?: (span: TraceSpan) => ReactNode;
}
export interface SpanTreeProps extends Omit<SpanTreeRenderCtx, "onToggle"> {
    /** Root span of the trace. */
    root: TraceSpan;
    /** Collapse toggle (controlled). */
    onToggleCollapse: (id: string) => void;
    /** Visible-row count at/above which the virtualized path engages. Default 200. */
    virtualizeThreshold?: number;
    className?: string;
    "aria-label"?: string;
}
/**
 * SpanTree — an accessible, controllable tree of trace spans with full
 * WAI-ARIA APG TreeView semantics (treeitem / level / posinset / setsize /
 * selected / expanded / group). Renders recursively for small traces and
 * switches to a virtualized flat-list at/above `virtualizeThreshold`. The
 * container is keyboard-navigable (↑/↓ move, Home/End jump, Enter/Space
 * select). Fully controlled: selection + collapse live in the consumer.
 */
export declare function SpanTree({ root, selectedId, onSelect, collapsed, onToggleCollapse, showMetrics, bounds, virtualizeThreshold, renderBadge, className, "aria-label": ariaLabel, }: SpanTreeProps): import("react").JSX.Element;