/**
 * pi-search — research tools for the Pi coding agent.
 *
 * Five tools, two providers (REST + MCP), one config:
 *  - websearch: open-web search (REST, fallback to Exa MCP)
 *  - codesearch: code/library search (REST, fallback to Exa MCP)
 *  - context7:  up-to-date library docs
 *  - deepwiki:  ask questions about any public GitHub repo
 *  - web_fetch: extract full text from a URL
 *
 * Resolved at load time from:
 *  1. process.env (EXA_API_KEY, PI_SEARCH_DISABLED_TOOLS, PI_SEARCH_USE_REST, PI_SEARCH_CONFIG_PATH)
 *  2. ~/.pi/pi-search.json (configPath can be overridden by PI_SEARCH_CONFIG_PATH)
 *  3. defaults
 *
 * Unknown tool names in disabledTools are rejected via ConfigError.
 */
import type { ExtensionAPI } from "@earendil-works/pi-coding-agent";
export declare const TOOL_NAMES: readonly ["websearch", "codesearch", "context7", "deepwiki", "web_fetch", "get_fetch_content", "firecrawl_scrape", "firecrawl_crawl"];
export type ToolName = (typeof TOOL_NAMES)[number];
export default function piSearchExtension(pi: ExtensionAPI): void;
export { resolveConfig, validateDisabledTools } from "./config.js";
export * from "./errors.js";
export { createExaRestClient, formatExaResult, normalizeExaResults } from "./exa/client.js";
export { normalizeExaParams } from "./exa/params.js";
export { createDefaultMcpClient, type McpClient } from "./mcp/client.js";
export { dedupeCitations, extractCitationsFromMcpText, formatCitationFooter } from "./tools/citations.js";
export * from "./types.js";
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