import type { MetricsReport, SessionSummary } from "./types";
/**
 * Format metrics reports and session summaries into a markdown dashboard.
 *
 * @param reports - Array of MetricsReport from readMetricsReports()
 * @param summaries - Array of SessionSummary from readSessionSummaries()
 * @param args - Optional arguments: a plan name to filter, "all" for all reports, or empty for last 5
 * @returns Formatted markdown string
 */
export declare function formatMetricsMarkdown(reports: MetricsReport[], summaries: SessionSummary[], args?: string): string;