/**
 * Tool for retrieving Spanner query count metrics
 */
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
/**
 * Registers the Spanner query count tool with the MCP server
 *
 * @param server The MCP server instance
 */
export declare function registerSpannerQueryCountTool(server: McpServer): void;