/**
 * agent-tree-renderer.ts — Renders the execution tree view in the TUI dashboard.
 *
 * Displays the agent parent-child hierarchy as a Unicode box-drawing tree,
 * with status indicators, type labels, and optional Mermaid/JSON export hints.
 */
import type { AgentRecord } from "../types.js";
import type { BoxChars, DashboardTheme } from "./theme.js";
/**
 * Render the execution tree inside the dashboard viewport.
 *
 * @param innerW - Inner width of the dashboard frame
 * @param th - Dashboard theme colors
 * @param box - Box drawing characters
 * @param records - All agent records to render in the tree
 * @returns Array of rendered lines
 */
export declare function renderTreeView(innerW: number, th: DashboardTheme, box: BoxChars, records: AgentRecord[]): string[];
/**
 * Render format selection hints for the tree view.
 * Shown at the bottom of the tree panel.
 */
export declare function renderTreeFooter(innerW: number, th: DashboardTheme, box: BoxChars): string[];