/**
 * "Časová osa rizika" — basic (public) variant.
 *
 * Extracts a chronologically sorted list of lifecycle events from the
 * existing DD report payload. No new backend calls; all data comes from
 * a single DdReport (ARES VR + ISIR).
 *
 * Basic events (this file):
 *   - company.registered_on        → vznik firmy
 *   - company.dissolved_on         → zánik firmy
 *   - statutory_body[].since       → jmenování statutáře
 *   - insolvency.started_on        → zahájení insolvence
 *   - statutory.personal_insolvency → osobní bankrot statutáře
 *   - statutory.prior_bankrupt_companies → předchozí krachy
 *   - vat.unreliable_since          → ADIS unreliable since
 *   - retrieved_at                  → "today" anchor
 *
 * Rich variant (@czagents/ddplus) adds:
 *   - ISIR insolvency lifecycle (each filing, status transitions, hearing dates)
 *   - VAT reliability flip history (proxy via existing flag)
 *   - Address change history (ARES historie)
 *   - Cross-linked entity events (same statutory member, other companies)
 *   - AI-generated narrative summary (Gemini Flash-Lite)
 */
import type { DdReport } from '../types.js';
export type EventSeverity = 'info' | 'warn' | 'alert';
export interface TimelineEvent {
    /** ISO date or YYYY-MM. We sort string-ascending which works for both. */
    date: string;
    /** Display date (Czech locale). */
    dateLabel: string;
    severity: EventSeverity;
    title: string;
    detail?: string;
    /** Source label shown small. */
    source: string;
}
export interface TimelineResult {
    events: TimelineEvent[];
    /** Basic risk score 0-100 derived from timeline event severities.
     *  alert=3pts, warn=1pt, capped at 100. Narrative and deep scoring
     *  available in rich variant (@czagents/ddplus). */
    riskScore: number;
}
export declare function buildTimeline(r: DdReport): TimelineResult;
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