/**
 * @name tools/sap-tool-search
 * @description Tool search retriever for the 420+ SAP MCP tool catalog.
 *
 * Implements a lightweight BM25 search over tool names and descriptions,
 * returning top-K results with full input schemas so the agent can call
 * them via a dispatcher tool (sap_call_tool or similar).
 *
 * This dramatically reduces context usage: instead of binding 420+ tool
 * definitions (~170k tokens), the agent binds ~15 permanent tools + this
 * search tool, and discovers the rest on demand (~5k tokens per turn).
 *
 * @module tools/sap-tool-search
 */
import type { Server } from '@modelcontextprotocol/sdk/server/index.js';
import type { SapMcpContext } from '../../core/src/types.js';
/**
 * Register the sap_search_tools retriever tool.
 */
export declare function registerToolSearchTool(server: Server, context: SapMcpContext): void;
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