/**
 * Search Module — Multi-provider search gateway (BYOK).
 *
 * Registers 7 tools:
 *   search_web, search_news, search_images, search_deep,
 *   search_semantic (Exa), search_code_context (Exa), search_research (Tavily)
 *
 * Gracefully degrades when no API keys are configured.
 * Priority: SearXNG (free, self-hosted) > Brave (API key required).
 * Exa and Tavily tools only appear when respective API keys are set.
 *
 * Implementation splits:
 *   - ./engines.ts       — provider clients (SearXNG, Brave) + SSRF-guarded
 *                          config resolution and shared result types.
 *   - ./orchestrators.ts — routing policy (auto vs explicit engine),
 *                          deep-search composition.
 *   - This file          — MCP tool registration only.
 */
import type { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
export type { SearchResult, ImageResult, SearchResponse, ImageSearchResponse, WebEngine, NewsEngine, } from './engines.js';
export declare function registerSearchTools(server: McpServer): void;
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