/**
 * P6: Gap Pass — LLM-guided second crawl pass
 *
 * After the primary BFS crawl completes, this module:
 * 1. Sends the discovered screen list to an LLM for gap analysis
 * 2. HEAD-validates each suggested URL
 * 3. Returns confirmed gap URLs for targeted re-crawl
 *
 * The caller (crawler.ts) is responsible for actually visiting the confirmed
 * URLs with the existing browser — this module only identifies them.
 */
export interface GapCandidate {
    category: string;
    urlPatterns: string[];
    confidence: number;
    rationale: string;
    confirmedUrl: string | null;
    headStatus: number | null;
}
interface DiscoveredScreen {
    url: string;
    name?: string;
    elements?: number;
}
interface LlmCfg {
    provider: string;
    model: string;
    apiKey?: string;
    baseUrl?: string;
}
/**
 * Run LLM gap analysis + HEAD validation.
 * Returns candidates with `confirmedUrl` set for those where HEAD returned 200.
 */
export declare function runGapAnalysis(screens: DiscoveredScreen[], appUrl: string, llmCfg: LlmCfg | null | undefined): Promise<GapCandidate[]>;
export {};